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1:1,000,000-scale Hydrographic Areas of the Great Basin

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 05:56 AM | Dataset Last Updated: November 17, 2020 at 12:00 AM
This data set consists of hydrographic area and major flow system boundaries and polygons delineated at 1:1,000,000-scale for the Great Basin.

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