StratMap 2011 50cm Collin, Denton, Kaufman

Date(s): Coverage Availability/Geographic Extent: Footprint: Source(s):
2010 Collin, Denton, Kaufman,cooke, Grayson, Fannin, Hunt 1/4 USGS Quadrangle TNRIS

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StratMap 2011 50cm Collin, Denton, Kaufman is in the public domain and available from the Research and Distribution Center for the cost of reproduction.

Data Details

Available Formats: LAS
Alternative Data: 1M Hydro-Enforced DEM, 3D Breaklines
Derivative Data: 5ft Contours
Known Issues: None
Recommended Uses: Basemap, Research, Analysis
Spatial Reference:

EPSG 26914


The project area is 608 DOQQQ tiles covering approximately 2373 square miles in the north region of Texas. The project design of the Lidar data acquisition was developed to support a nominal post spacing of 4 points per square meter. The dates of acquisiton were from January 21, 2011 to April 1, 2011. A Leica ALS 50 phase II + Lidar sensor was used collecting multiple return x, y, and z data as well as intensity data. Lidar data was processed to achieve a bare ground surface.

The purpose of this project is to collect and deliver topographic elevation point data derived from multiple return light detection and ranging (Lidar) measurements for north region in Texas. The elevation data will be used as base data for Texas flood plain mapping.

This dataset was acquired through the High Priority Imagery and Data Sets (HPIDS) contract. The contract was created in 2009 to maximize spending power by coordinating geospatial data purchases to share costs and to ensure that acquired data meet high standards of quality. The successor to HPIDS is the StratMap contract, established in 2015.

Supplemental Information

Tile Index: Download File
Project Report(s): Download File