Boutwell, John Mason and Woolsey, Lester / Emmons, William Harvey and Calkins, Frank Cathcart. - Geology and Ore Deposits of the Park City District, Utah ( paper 77 ) / Geology and Ore Deposits of the Philipsburg Quadrangle Montana ( paper 78 ).

Washington., Government Printing Office., 1912. 29 x 23 cms, Paper 77 and Paper 78 in one binding. Paper 77; 231 papes, XLIV plates, 18 figures / Paper 78; 271 pages, XVII plates, 55 figures. Numerous col. maps. Contemp. hcloth. On spine; Professional Papers 77, 78. Exlibris; Geol. Institution, Lund. Nice condition. lara

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