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You searched for: Author United States Geological Survey (USGS). Remove constraint Author: United States Geological Survey (USGS). Publisher U.S. Geological Survey Remove constraint Publisher: U.S. Geological Survey Institution Columbia Remove constraint Institution: Columbia
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1. Alaska Geologic Formations, 1997

1980. United States Geological Survey (USGS). Alaska Geologic Formations is a polygon theme representing geologic formations throughout Alaska. This dataset consists of a polygon coverage and ... U.S. Geological Survey.