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USGS is a primary source of geographic information system (GIS) data. Our data and information is presented in spatial and geographic formats, including The National Map, Earth Explorer, GloVIS, LandsatLook, and much more. Explore GIS Data Maps. 

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Geologic map and engineering data for the Highlands Ranch Quadrangle, Arapahoe and Douglas counties, Colorado Geologic map and engineering data for the Highlands Ranch Quadrangle, Arapahoe and Douglas counties, Colorado

The map and accompanying tables are designed to be of use to scientists and nonscientists alike. Physical characteristics of the bedrock units and surficial units are described in table 1 (sheet 2) and table 2 (sheet 3), respectively. Those deposits that are known to be less than 5 feet (
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