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USGS Map Indices Downloadable Data Collection

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 08:34 PM | Dataset Last Updated: February 25, 2026 at 12:00 AM
This data consists of data grids for the United States, including 1 X 2 Degree, 1 X 1 Degree, 30 X 60 Minute, 15 X 15 Minute, 7.5 X 7.5 Minute, and 3.75 X 3.75 Minute, along with custom-sized products, where a traditionally-published map exists. The grid was generated using ESRI ArcGIS Pro software. The grids represent the extent of topographic maps published by the USGS.

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