2006 TWDB Lidar: Galveston County

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Overview

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 Galveston County, TX (approximately 400 square miles). Multiple returns were recorded for each laser pulse along with an intensity value for each return. The data acquisition occurred in missions during the fall of 2006. The data was collected by Sanborn Mapping Company, Inc. for the Texas Water Development Board (TWDB) and the Federal Emergency Management Agency (FEMA). Original contact information: Contact Name: Ryan Mitchell Contact Org: Texas Natural Resources Information System (TNRIS) Phone: 512-463-8337 Email: lidar@tnris.state.tx.us This data set is an LAZ (compressed LAS) format file containing LIDAR point cloud data.
Total points: 786,522,262 pts
Survey Area: 1,191 km2
Point Density: 0.66 pts/m2
Survey Date: 09/01/2006 - 09/30/2006
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