Geological map of Michigan / compiled by R. C. Allen, R. A. Smith, and L. P. Barrett, from surveys by the Michigan Geological Survey and the United States Geological Survey.
Description:
1 map : col. ; 103 x 85 cm. "A. Hoen & Co. lith. Baltimore, Md.".
Creator:
A. Hoen & Co., Barrett, Leslie Park, 1887-1972, and Smith, Richard A., 1876-1963.
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