Geology and mineral resources of the Cleveland district, Ohio / by H.P. Cushing, Frank Leverett and Frank R. Van Horn.

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Main Authors: Cushing, Henry Platt, 1860-, Leverett, Frank, 1859-1943 (Author), Van Horn, Frank R. (Frank Robertson), 1872-1933 (Author)
Format: Government Document Book
Language:English
Published: Washington : U.S. Govt. Print. Off, 1931.
Series:Bulletin (Geological Survey (U.S.)) ; no. 818.
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