 ... p., illus. incl. geol. map, 1949. In a guidebook, from Irwin to Carlisle, OrdovicianPennsylvanian rocks are described. Cross sections of tunnels are given. CLELAND. "HERDMAN FITZGERALD 1. Memorial of Henry Shaler Williams [1847-1918]: Geol. Soc. Amer.,...  The Mineralogy of Pennsylvania - Page 242by Samuel George Gordon - 1922 - 255 pagesFull view - About this book
 | Max Meisel - Bibliographical literature - 1926 - 766 pages
...p. 147-59, dated Aug. 5, 1834; Supplement by Del Rio, p. 159-66. [CLEMSON, TG] . . . Report of the Committee appointed by the Geological Society of Pennsylvania, on a geological survey of York County, Pa. ... Rd Oct. 29. In Advocate Sc. & Annals Nat. Hist. (1834), v. 1, p. 163-75. Nov. GREEN, Jacob.... | |
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