Free access to over 180,000 historic maps surveyed by the United States Geological Survey, which began surveying the United States in 1879. These maps have been scanned and georeferenced. Zoom in and click a location to begin exploring!
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Free access to over 180,000 historic maps surveyed by the United States Geological Survey, which began surveying the United States in 1879. These maps have been scanned and georeferenced. Zoom in and click a location to begin exploring!