U.S. Geological Survey Maps
The collection includes topographic, orthophotoquad, satellite images, and some raised reliefs of U.S. States and territories.
The 7.5 and 15 minute series are cataloged by state and then alphabetically by quadrangle in the USGS topographic map cases. Indexes are available in the first drawer of each state to assist with finding your location and quadrangle name.
Other scales are cataloged with general collection maps. For example, 1:100,000 (30 x 60 minute series) and 1:250,000 series.
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USGS TopoViewUSGS interactive tool to engage with and download topographic maps. You can also download GeoTiffs, GeoPDFs, and .kmz files.
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U.S. Topo: Maps of AmericaU.S. topographic maps can be downloaded free of charge. All maps can be viewed and printed with Adobe Reader or comparable PDF viewing software.
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USGS Historical Topographic Map ExplorerAll historic USGS topographic maps can be downloaded.
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USGS Map Locator and StoreThe USGS map store has free topographic maps to download. You may also order print maps.
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USGS National Map ViewerUse The National Map Viewer to explore base-layer GIS data, see availability of USGS topographic maps, and create your own web map.
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Index to Maps of Minnesota and Surrounding States, prior to 1977 (Microfilm)
This is a microfilm edition of USGS topographic maps, specifically the 7.5 and 15 minute series, prior to 1977. States include Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, South Dakota, and Wisconsin.
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BeaconBeacon's mapping tool, which is primarily for local property and tax data, includes 1-foot or 2-foot contour lines if you need more detailed topographic information. Please note not all counties or cities are represented.