{ "data": [ { "Title": "Global Absolute Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/absolute/absolute.txt", "Extent": "Absolute Measurements", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/absolute/absolute.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/absolute/" }, { "Title": "Africa: Southern Area", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/africa/africa.txt", "Extent": "International", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/africa/africa.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/africa/" }, { "Title": "Alaska Data Density Grid 2' x 4'", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/n96al.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/n96al.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/" }, { "Title": "Alaska East-West Deflections (DEFLEC96) 2' x 4'", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/d96aleta.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/d96aleta.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/" }, { "Title": "Alaska Geoid Heights (GEOID96) 2' x 4'", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/g96al.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/g96al.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/" }, { "Title": "Alaska Interior Bouguer Gravity Anomaly Grid (10 km max interpolation)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/ak97_grd/ak_10km.txt", "Extent": "U.S.", "Image / Plot": "", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/ak97_grd/" }, { "Title": "Alaska Interior Bouguer Gravity Anomaly Grid (filled grid)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/ak97_grd/ak_int.txt", "Extent": "U.S.", "Image / Plot": "", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/ak97_grd/" }, { "Title": "Alaska National Petroleum Reserve", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/npra/npra.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/npra/npra.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/npra/" }, { "Title": "Alaska North-South Deflections (DEFLEC96)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/d96alxi.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/d96alxi.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/" }, { "Title": "Alaska Terrain Corrected Free Air Anomalies", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/grav96al.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/g96al.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/alaska/" }, { "Title": "Alaska: Isostatic 25 km thickness", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/ak1_iso/ak1_iso.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/ak1_iso/ak1_iso.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/ak1_iso/" }, { "Title": "Alaska: Isostatic 30 km thickness", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/ak1_wpn/ak1_wpn.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/ak1_wpn/ak1_wpn.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/ak1_wpn/" }, { "Title": "Alaska: ANWR and Alaska Peninsula", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/anwr/anwr.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/anwr/anwr.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/anwr/" }, { "Title": "Alaska: Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/alaska97/intak97.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/alaska97/intak97.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/alaska97/" }, { "Title": "Alaska: Southwestern Area (Topographic)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/holitna1/holitna1.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/holitna1/holitna1.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/holitna1/" }, { "Title": "Alaska: Southwestern Area (Altimetric)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/holitna2/holitna2.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/holitna2/holitna2.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/holitna2/" }, { "Title": "Antarctic: Defense Mapping Agency (DMA) Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/antarc93/antarc93.txt", "Extent": "International", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/antarc93/antarc93.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/antarc93/" }, { "Title": "Bolivia Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/bolivia/boliviar.txt", "Extent": "International", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/bolivia/boliviar.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/bolivia/" }, { "Title": "Bolivia Bouguer Anomaly Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/bolivia/boliviag.txt", "Extent": "International", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/bolivia/boliviag.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/bolivia/" }, { "Title": "California and Southern Nevada", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/calif/calif.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/calif/calif.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/calif/" }, { "Title": "California: Cadiz Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/cadiz/cadiz.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/cadiz/cadiz.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/cadiz/" }, { "Title": "Canada Gravity Geoid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/canada10/canada10.txt", "Extent": "International", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/canada10/canada10.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/canada10/" }, { "Title": "Colombia Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/colomb97/colomb97.txt", "Extent": "International", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/colomb97/colomb97.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/colomb97/" }, { "Title": "Earth Geopotential Model (EGM) 1996", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/egm96/egm96.txt", "Extent": "Geoid", "Image / Plot": "", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/egm96/" }, { "Title": "Egypt", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/egypt/egypt.txt", "Extent": "International", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/egypt/egypt.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/egypt/" }, { "Title": "Former Soviet Union (FSU) Gravity Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/fsu/fsu.txt", "Extent": "International", "Image / Plot": "", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/fsu/" }, { "Title": "RAPP92 Global Mean Free-Air Gravity Anomaly Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/rapp92/fa8th_dg/fa8th_dg.txt", "Extent": "Global", "Image / Plot": "", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/rapp92/" }, { "Title": "RAPP92 Global Sea Surface Height Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/rapp92/sh8th_dg/sh8th_dg.txt", "Extent": "Geoid", "Image / Plot": "", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/rapp92/" }, { "Title": "GEOSAT Southern Ocean Gravity Anomalies (Altimetric)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/s30s/s30s.txt", "Extent": "International", "Image / Plot": "", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/s30s/" }, { "Title": "GEOSAT44: High-Accuracy, High-Resolution Gravity Profiles (from the first 2 years of the GEOSAT Exact Repeat Mission) (ascending)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/geosat44/geo44asc.txt", "Extent": "Global", "Image / Plot": "", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/geosat44/" }, { "Title": "GEOSAT44: High-Accuracy, High-Resolution Gravity Profiles (from the first 2 years of the GEOSAT Exact Repeat Mission) (descending)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/geosat44/geo44des.txt", "Extent": "Global", "Image / Plot": "", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/geosat44/" }, { "Title": "Hawaiian Islands Gravity Data Density Grid (1996)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/n96hw.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/n96hw.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/" }, { "Title": "Hawaiian Islands East-West Deflections (DEFLEC96)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/d96hweta.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/d96hweta.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/" }, { "Title": "Hawaiian Islands Geoid Heights (GEOID96)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/g96hw.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/g96hw.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/" }, { "Title": "Hawaiian Islands North-South Deflections (DEFLEC96)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/d96hwxi.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/d96hwxi.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/" }, { "Title": "Hawaiian Islands Terrain Corrected Free Air Anomalies", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/grav96hw.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/grav96hw.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/hawaii/" }, { "Title": "Haxby Worldwide Gravity Anomaly Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/haxby/haxby.txt", "Extent": "Global", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/haxby/haxby.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/haxby/" }, { "Title": "High Density Geosat/GM Altimeter Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/sandwell/ww_grav.txt", "Extent": "Global", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/sandwell/ww_grav.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/sandwell/" }, { "Title": "Idaho Batholith Study Area Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/id_bath/id_bath.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/id_bath/id_bath.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/id_bath/" }, { "Title": "Idaho Batholith Study Area Bouguer Anomaly Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/id_bath/id_boug.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/id_bath/id_boug.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/id_bath/" }, { "Title": "Idaho Batholith Study Area Terrace-Density Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/id_bath/id_ter.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/id_bath/id_ter.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/id_bath/" }, { "Title": "Idaho Batholith Study Area Isostatic 30km thickness", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/id_bath/id_iso.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/id_bath/id_iso.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/id_bath/" }, { "Title": "Idaho Bouguer Gravity Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/idaho/idahog.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/idaho/idahog.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/idaho/" }, { "Title": "Idaho Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/idaho/idahor.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/idaho/idahor.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/idaho/" }, { "Title": "Indiana (1989)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/indiana/indiana.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/indiana/indiana.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/indiana/" }, { "Title": "Indiana (1993)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/indiana2/indiana2.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/indiana2/indiana2.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/indiana2/" }, { "Title": "Japan Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/jodc/jodc.txt", "Extent": "International", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/jodc/jodc.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/jodc/" }, { "Title": "Maine Bouguer Gravity Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/maine/maine.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/maine/maine.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/maine/" }, { "Title": "Maine Offshore Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/me_ofshr/me_ofshr.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/me_ofshr/me_ofshr.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/me_ofshr/" }, { "Title": "Maine Onshore Complete Bouguer, Free Air, and Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/me_onshr/me_onshr.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/me_onshr/me_onshr.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/me_onshr/" }, { "Title": "Maryland / Virgina Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/md_va/md_va.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/md_va/md_va.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/md_va/" }, { "Title": "Mexico East-West Deflections (DMEX97)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/d97mxeta.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/d97mxeta.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/" }, { "Title": "Mexico Geoid Heights (MEXICO97)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/g97mx.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/g97mx.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/" }, { "Title": "Mexico Gravity Data Density Grid 2' x 2' (1997)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/n97mx.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/n97mx.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/" }, { "Title": "Mexico North-South Deflections (DMEX97)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/d97mxxi.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/d97mxxi.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/" }, { "Title": "Mexico Terrain Corrected Free Air Anomalies (1997)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/grav97mx.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/grav97mx.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/mexico/" }, { "Title": "Minnesota Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/minn/minn.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/minn/minn.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/minn/" }, { "Title": "Minnesota Bouguer Anomaly Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/minngrd/minngrd.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/minngrd/minngrd.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/minngrd/" }, { "Title": "Nevada Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/nevada97/nevada97.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/nevada97/nevada97.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/nevada97/" }, { "Title": "Nevada Bouguer Gravity Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/nevada/nevboug.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/nevada/nevboug.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/nevada/" }, { "Title": "Nevada Isostatic Gravity Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/nevada/neviso.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/nevada/neviso.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/nevada/" }, { "Title": "Nevada Isostatic Residual Gravity Over Basement", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/nevdepth/nevdepth.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/nevdepth/nevdepth.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/nevdepth/" }, { "Title": "Nevada Thickness of Cenozoic Deposits", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/nvbasgrv/nvbasgrv.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/nvbasgrv/nvbasgrv.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/nvbasgrv/" }, { "Title": "New Mexico Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/newmex/newmex.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/newmex/newmex.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/newmex/" }, { "Title": "North America: 2.5' Bouguer and Free Air Gravity Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/dgrav/dgrav.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/dgrav/dgrav.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/dgrav/" }, { "Title": "North America: Decade of North American Geology (DNAG)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/dnaggrav/dnaggrav.txt", "Extent": "International", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/dnaggrav/dnaggrav.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/dnaggrav/" }, { "Title": "Ohio Gravity Station Data (1993)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/ohio/ohior.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/ohio/ohior.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/ohio/" }, { "Title": "Ohio Bouguer Gravity Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/ohio/ohiog.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/ohio/ohiog.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/ohio/" }, { "Title": "Ohio Gravity Station Data (1992)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/ohio1/ohio1.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/ohio1/ohio1.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/ohio1/" }, { "Title": "Oklahoma Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/okla1/okla1.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/okla1/okla1.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/okla1/" }, { "Title": "Oregon Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/portland/portland.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/portland/portland.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/portland/" }, { "Title": "Portugal Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/portug91/portug91.txt", "Extent": "International", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/portug91/portug91.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/portug91/" }, { "Title": "Puerto Rico and the Virgin Islands East-West Deflections (DEFLEC96)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/d96preta.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/d96preta.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/" }, { "Title": "Puerto Rico and the Virgin Islands Geoid Heights (GEOID96)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/g96pr.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/g96pr.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/" }, { "Title": "Puerto Rico and the Virgin Islands Gravity Data Density Grid (1996)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/n96pr.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/n96pr.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/" }, { "Title": "Puerto Rico and the Virgin Islands North-South Deflections (DEFLEC96)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/d96prxi.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/d96prxi.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/" }, { "Title": "Puerto Rico and the Virgin Islands Free Air Anomalies (1996)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/grav96pr.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/grav96pr.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/prvi/" }, { "Title": "South America Gravity Station Data (1993)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/s_amer93/s_amer93.txt", "Extent": "International", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/s_amer93/s_amer93.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/s_amer93/" }, { "Title": "South America: Andes Gravity Station Data (1997)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/andes97/andes97.txt", "Extent": "International", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/andes97/andes97.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/andes97/" }, { "Title": "Spain Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/spain97/spain97.txt", "Extent": "International", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/spain97/spain97.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/spain97/" }, { "Title": "TerrainBase Global Terrain Model", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/tbase/tbase.txt", "Extent": "Global", "Image / Plot": "", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/tbase/" }, { "Title": "Terrestrial Mean Free-Air Anomalies (1-deg x 1-deg)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/rapp92/rapp_deg/rapp_deg.txt", "Extent": "Global", "Image / Plot": "", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/rapp92/" }, { "Title": "Terrestrial Mean Free-Air Anomalies (30' x 30')", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/rapp92/rapp_haf/rapp_haf.txt", "Extent": "Global", "Image / Plot": "", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/global/rapp92/" }, { "Title": "U.S. Basin and Range Province USGS Grids", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/basinrng/basinrng.txt", "Extent": "U.S.", "Image / Plot": "", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/basinrng/" }, { "Title": "U.S. 2.5' Isostatic Gravity Grid 30km thickness", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/isostat/isostat.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/isostat/isostat.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/isostat/" }, { "Title": "U.S. East-West Deflections (DEFLEC96)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/d96useta.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/d96useta.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/" }, { "Title": "U.S. Geoid Heights (GEOID96)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/g96us.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/g96us.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/" }, { "Title": "U.S. Geoid Heights, Scientific Model (G96SSS)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/sss96us.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/sss96us.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/" }, { "Title": "U.S. Gravity Data Density Grid (1996)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/n96us.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/n96us.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/" }, { "Title": "U.S. Isostatic Regional Gravity Grid 30km thickness", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/isoreg/isoreg.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/isoreg/isoreg.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/isoreg/" }, { "Title": "U.S. Isostatic Residual Gravity Grid 30km thickness", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/isores/isores.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/isores/isores.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/isores/" }, { "Title": "U.S. NGS Gravity Network Data (1990)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/90ngsnet/90ngsnet.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/90ngsnet/90ngsnet.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/90ngsnet/" }, { "Title": "U.S. NGS Gravity Station Data (1999)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/ngs99/ngs99.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/ngs99/ngs99.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/ngs99/" }, { "Title": "U.S. North-South Deflections (DEFLEC96)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/d96usxi.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/d96usxi.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/" }, { "Title": "U.S. SEG Bouguer Gravity Anomaly Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/seggrav/seggrav.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/seggrav/seggrav.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/seggrav/" }, { "Title": "U.S. Terrain Corrected Free Air Anomalies (1996)", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/grav96us.txt", "Extent": "Geoid", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/grav96us.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/geoid96/us/" }, { "Title": "U.S. Topographic Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/isotop/isotop.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/isotop/isotop.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/isotop/" }, { "Title": "Utah Bouguer Gravity Grid", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/utah/utahg.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/utah/utahg.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/grids/eros/utah/" }, { "Title": "Utah Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/utah/utahr.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/utah/utahr.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/eros/utah/" }, { "Title": "Utah: Vernal Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/vernal/vernal.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/vernal/vernal.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/vernal/" }, { "Title": "Wisconsin: Ashland Area Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc1/wisc1.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc1/wisc1.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc1/" }, { "Title": "Wisconsin: Marshfield Area Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc4a/wisc4a.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc4a/wisc4a.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc4a/" }, { "Title": "Wisconsin: Prentice Area Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc2b/wisc2b.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc2b/wisc2b.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc2b/" }, { "Title": "Wisconsin: Rhinelader Area Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc2a/wisc2a.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc2a/wisc2a.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc2a/" }, { "Title": "Wisconsin: Sawyers Area Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc4b/wisc4b.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc4b/wisc4b.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc4b/" }, { "Title": "Wisconsin: Wisconsin Rapids Area Gravity Station Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc3/wisc3.txt", "Extent": "U.S.", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc3/wisc3.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/wisc3/" }, { "Title": "Worldwide: DMA Reference Base Station Network Data", "Summary": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/dmanet93/dmanet93.txt", "Extent": "Global", "Image / Plot": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/dmanet93/dmanet93.gif", "Access Data": "https://www.ngdc.noaa.gov/mgg/gravity/1999/data/regional/dmanet93/" } ] }