Reconnoissance map of the United States showing the distribution of the geologic system so far as known / compiled from data in possession of the U.S. Geological Survey by W.J. McGee, 1893.
Description:
1 map : col. ; 43 x 71 cm Relief shown by contour lines. In upper border: U.S. Geological Survey. Fourteenth annual report, pl. II. Shows Indian reservations. Includes legend.
Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library. https://www.lib.umich.edu/about-us/policies/copyright-policy