Author: STEVENSON, J.J.
Title: Report of progress in the Fayette and Westmoreland District of the bituminous coal-fields of western Pennsylvania. Part I. Eastern Allegheny County and Fayette and Westmoreland counties west of Chestnut Ridge, Part II. The Ligonier Valley.
Description: 1877-78. Second Geological Survey of Pennsylvania 1976-1977. Part I: 437 pp. 50 fig. 2 plts. h.t. 3 col. county maps folding-out. Part II. 331 pp. 107 fig. 2 plts. 2 fold. & col. county maps in pocket. The title pages list 3 and 2 fold. & col. county maps, but in fact there are 2 more included, and also a fold. plate with geol. sections. Plain wrps. part I with title sheet, part II lacks back cover, contents very good, uncut.

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