USGS 1:48000-scale Quadrangle for Porterfield, WI 1939 - GeoData@Wisconsin

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USGS 1:48000-scale Quadrangle for Porterfield, WI 1939

Created By:: U.S. Geological Survey
Description:: USGS Historical Quadrangle in GeoPDF.
Collection:: USGS Topographic Maps
Subject(s):: Imagery and Base Maps
Year(s):: 1939
Held By:: U.S. Geological Survey
More details at:: https://www.usgs.gov/programs/national-geospatial-program/historical-topographic-maps-preserving-past