WILSON, PHILO C. - Pennyslvania Stratigraphy of Powder River Basin and Adjoining Areas

Tulsa, OK, The American Association of Petroleum Geologists. 1962. Wraps, 8vo - 7 3/4" - 9 3/4 " Tall. Ill.: Charts and Maps. Paperback, Reprinted excerpt for private circulation; Covers and textblock clean; Pages 117-158. Very Good. Signed by Author.

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