Map of the United States : Exhibiting the present status of knowledge relating to the areal ditribution of geologic groups / Compiled by W J McGee.

Notes:
Shading indicates age of rock.; "Fifth annual report plate II" and 1 map 53 x 81 cm
Data Provider:
University of Michigan. Libraries
Collection:
UM Clark Library Maps
Subject Topic:
United States Maps.
Language:
eng
Rights:
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. and https://www.lib.umich.edu/about-us/policies/copyright-policy
URL:
http://name.umdl.umich.edu/IC-CLARK1IC-X-013669886%5D39015091195233