Big Ten Academic Alliance Geospatial Discovery Portal
Big Ten Academic Alliance Geoportal
United States contour map; U.S. Geological Survey; compiled by Henry Gannett.
- Geological Survey (U.S.),Gannett, Henry, 1846-1914.
- 1 map: col.; 43 x 71 cm This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library.
- Clark Library Map Collections
- United States of America
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