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Report for H09255 Locality: Chesapeake Bay Sublocality: Lynhaven Roads, Crumps Bank, Horseshoe, Hampton Roads and South of Wolftrap State(s) or Region(s): Virginia Start Date: 1971-02-10 End Date: 1972-03-30 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download All Products for H09255 Download times vary depending on file size and data transfer rates. Individual product files may be downloaded via the links below. Launch this map service in full-screen view | Visit the full NCEI Bathymetric Data Viewer Survey Products Descriptive Report and Metadata Documents NOAA/NOS Descriptive Reports and Metadata Documents Products listed in these reports may not reflect final products available through NCEI. H09255.pdf 2.51MB The document may be read using a free PDF reader. NOAA/NOS ISO metadata record H09255 View / Download H09255.xml Usually presented as an XML document, which captures the basic characteristics of HSMDB metadata verified from H10000 (1982) to the present as well as F00200 (1965) to the present. Bathymetry Survey products may use different units, datums or projections than the associated survey. Please consult product-specific metadata for additional details. NOAA/NOS Sounding Data Point Soundings from the survey Smooth Sheet in A93 format. H09255.a93.gz 262 Bytes Survey Metadata Data Metadata for the survey in H93 format. H09255_h93.htm 13.8KB Imagery NOAA/NOS Smooth Sheet survey image A digitized image of the original survey Smooth Sheet. H09255.tif.gz 61.20MB NOAA/NOS Smooth Sheet survey image in MrSID format The MrSID (.sid) format is supported in major GIS applications. H09255.sid.gz 6.21MB Survey Metadata Survey Summary Locality Sublocality State or Region Chesapeake Bay Lynhaven Roads, Crumps Bank, Horseshoe, Hampton Roads and South of Wolftrap Virginia Start Date End Date Approval Date 1971-02-10 1972-03-30 1984-05-18 Project Number Project Name Purpose OPR-467-RH-71 Cheapeake Bay, Wire Drag Survey, Virginia Update Nautical Chart(s) Source of Original Data and License Information License Information A license has not been assigned to these data and products. See the NCEI Archive page for data licensing details and FAQs. Reference System Information Vertical Datum Horizontal Datum Projection Scale Mean Low Water North American Datum 1927 Projected Polyconic 20000 Survey Tide Stations COOPS Tide Station ID Sewells Point, Virginia 8638610 Affected Products Survey Equipment Vessel(s) Chief(s) of Party NOAA Ship RUDE NOAA Ship HECK Merritt N. Walter James Collins Manufacturer Model Instrument Type Wire Drag Sextant Visual/Azimuth Least Depth Gage Teledyne Hastings Raydist DR-S ZA-75C Transceiver Electronic Hyperbolic Teledyne Hastings Raydist DR-S ZA-75C Transceiver Electronic Range/Range Source Data at NCEI Data in Archive Size (in GB) Date Archived Data Types Surveyed Source Data Not Available BATHYMETRY