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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 glacial map of North Dakota Preliminary glacial map of North Dakota

Data used for map compilation based in part upon maps listed below with modifications by the authors. Data for remaining areas from aerial photographs and reconnaissance studies by the authors.
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