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GIS Data

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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Well yields and chemical quality of water from water-table aquifers in the greater Denver area, Front Range urban corridor, Colorado

Knowledge of the well yields and chemical quality of water from water-table aquifers is useful to State and local officials in making decisions on land use and in locating water supplies in the rapidly urbanizing greater Denver are. This report presents the results of a 2-year investigation to obtain this knowledge and to relate the results to urban planning in the greater Denver area. The report

Aeromagnetic map of South Carolina

No abstract available.

Aeromagnetic map of South Carolina: In color

No abstract available.