USGS 1:250000-scale Quadrangle for Dubuque, IA 1961 - GeoData@Wisconsin

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USGS 1:250000-scale Quadrangle for Dubuque, IA 1961

Created By:: U.S. Geological Survey
Description:: USGS Historical Quadrangle in GeoPDF.
Collection:: USGS Topographic Maps
Subject(s):: Imagery and Base Maps
Year(s):: 1961
Held By:: U.S. Geological Survey
More details at:: https://www.usgs.gov/programs/national-geospatial-program/historical-topographic-maps-preserving-past