Verlag: Commonwealth of Pennsylvania State Planning Board, Pennsylvania, 1969
Soft Cover. Zustand: Very Good. General Geology Report G 53. Clean red soft cover has black titles on spine & front cover. Very good red cloth slip case contains the book and seven intact folded maps. Text tight, clean & intact. Illustrated with charts & B/W photographs. Science, Geology; B/W Illustrations; 8vo 8" - 9" tall; 224 pages.