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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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Preliminary map showing landslides in Alabama Preliminary map showing landslides in Alabama

This map brings together data from all known reports on landslides in Alabama mentioned by Alger and Brabb (1985) and information provided by State and County Highway Departments in response to a questionnaire sent in 1981 by K. F. Rheams. Additional landslide data from the northern part of the state and from Jefferson County were added by Fred Taylor and E. E. Brabb from reports by...

Quaternary geologic map of the Chesapeake Bay 4 degrees x 6 degrees quadrangle, United States Quaternary geologic map of the Chesapeake Bay 4 degrees x 6 degrees quadrangle, United States

The Quaternary Geologic Map of the Chesapeake Bay 4? x 6? Quadrangle was mapped as part of the Quaternary Geologic Atlas of the United States. The atlas was begun as an effort to depict the areal distribution of surficial geologic deposits and other materials that accumulated or formed during the past 2+ million years, the period that includes all activities of the

Quaternary geologic map of the Quebec 4 degrees x 6 degrees quadrangle, United States and Canada Quaternary geologic map of the Quebec 4 degrees x 6 degrees quadrangle, United States and Canada

The Quaternary Geologic Map of the Quebec 4? x 6? Quadrangle was mapped as part of the Quaternary Geologic Atlas of the United States. The atlas was begun as an effort to depict the areal distribution of surficial geologic deposits and other materials that accumulated or formed during the past 2+ million years, the period that includes all activities of the human
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