The Crystal Falls iron-bearing district of Michigan Clements, J. Morgan (Julius Morgan), 1869- creator Smyth, Henry Lloyd, 1862- contributor Bayley, William Shirley, 1861-1943 contributor text book Washington Govt. Print. Off 1899 1899
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ENG Two maps in pocket. "Published work upon [the western part of the] district": p. 13-21; "Abstracts of the published literature upon the Felch Mountain range": p. 375-383. "Abstracts of the published literature upon the Felch Mountain range": p. 375-383. Issued also in the Congressional series of U.S. public documents (3804) as House doc. no. 291, 55th Cong., 3d sess. An abstract of the monograph is given in the 19th annual report of the Survey, pt. 3, p. 1-151. Archaean Crystal Falls District Geology Geology, Stratigraphic Iron ores Michigan Proterozoic QE75 .M7 vol.36 557.74975 Monographs of the United States Geological Survey, v 36 https://www.biodiversitylibrary.org/bibliography/42496 https://www.biodiversitylibrary.org/bibliography/45749 3682240 01000251 10.5962/bhl.title.45749 DLC