| Using a LH Systems ALS50 Light Detection And Ranging (LiDAR) system, flight lines
of standard density (1.4 meter ground sample distance) data were collected over areas
in Matagorda County, TX (approximately 1139 square miles). Multiple returns were recorded
for each laser pulse along with an intensity value for each return. The data acquisition
occurred in 6 missions between April 9, 2006, April 16, 2006, April 17, 2006, May
11, 2006 through May 13, 2006. The data was collected by Sanborn Mapping Company,
Inc. for the Texas Water Development Board (TWDB) and the Federal Emergency Management
Agency (FEMA).
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