Geological Survey of Pennsylvania. Final report ordered by Legislature, 1891. A summary description of the geology of Pennsylvania.
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TextPublication details: Harrisburg, Board of Commissioners for the Geological Survey, 1892-95.Description: 3 v. in 4. illus., plates, maps, diagrs. and atlas of 14 fold. col. plates (incl. maps) 23 cmSubject(s): LOC classification: - QE654 .P4
v. 1. Laurentian, Huronian, Cambrian and Lower Silurian formations, by J.P. Lesley.--v. 2 Upper Silurian and Devonian formations, by J.P. Lesley.--v. 3. pt. 1. Carboniferous formations, by J.P. Lesley, E.V. d'Invilliers, and A.D.W. Smith. pt. 2. Bituminous coal fields, by E.V. d'Invilliers. The new red of Bucks and Montgomery Counties, by B.S. Lyman.
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