Author: Powell, J.W.
Title: Fifteenth Annual Report of the United States Geological Survey 1893-1894
Description: Government Printing Office 1895 755, 48 plates (some double-page, 1 large folding map in rear pocket), 29 b/w figs,. . HB. Ex-lib, Letchworth and District Naturalists' Society Museum Library. 4to, orig. cloth, rubbed, scuffed and a little worn; some splash marks to spine otherwise a good copy of this Annual Report.. Contains six large papers: Preliminary report on the geology of the common roads of the United States by N.S.Shaler; The Potomac formation by L.F. Ward; Sketch of the geology of the San Francisco peninsula by A. C. Lawson; Preliminary report on the Marquette iron bearing district of Michigan by C.R. van Hise and W.S Bayley and a chapter on the republic trough by H.L.Smyth ; The general relations of the granitic rocks in the middle Atlantic Piedmont Plateau by G.H. Williams; The origin and relations of central Maryland granites by C.R. Keyes. The volume contains important papers, accompanied with fascinating black and white illustrations and attractive lithographic maps. Includes a large fold-out map in a rear pocket ‘Map showing condition and progress of topographic surveys for the fiscal year1893--94' by Henry Gannett..

Keywords: Geology; Iowa; United States; America; United States; North America; America


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