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Washington, DC: U.S. Government Printing Office, 1958. Book. Very Good. Wraps. 8vo - over 7¾" - 9¾" tall. light edgewear, small closed tears to back cover. pencilled number to front cover. complete with maps at back endpocket. 159pp + 13 plates + maps..

Washington, DC: United States Government Printing Office, 1958. Book. Illus. by Photographs, Figures, Charts. Very Good. Soft cover. 1st Edition. 8vo - over 7¾ - 9¾" tall. VG/none, used pb, 159pp. Grey colored stiff paper wraps with black colored text on upper; no chips or tears slight edge wear with creased tail tips. A section on microscopical character of Centralia-Chehalis coal. Interior pages clean, unmarked. Adhered to the lower wrap is an envelope containing several maps illustrating the text. Binding is tight..