EarthWorks Geospatial Catalog

U.S. USGS 1:250,000 Topographic Quadrangle Series Indexes

Description
U.S. USGS 1:250,000 Topographic Quadrangle Series Indexes represents the geographic extent of USGS 1:250,000 topographic maps (1- by 2-degree quadrangles) for the coterminous U.S. forty-eight states and District of Columbia.
Publisher
Environmental Systems Research Institute, Inc. (ESRI)
Year
1992
Held by
Harvard
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