USGS US Topo 7.5-minute map for Duluth, MN 2016

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Created By:: U.S. Geological Survey
Description:: Layered geospatial PDF Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
Collection:: USGS Topographic Maps
Subject(s):: Imagery and Base Maps
Year(s):: 2016
Held By:: U.S. Geological Survey
More details at:: https://www.usgs.gov/programs/national-geospatial-program/us-topo-maps-america

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