Item #42242 CONSTITUTION DIAGRAMS OF PENNSYLVANIA ANTHRACITE; GEOLOGICAL SURVEY BULLETIN 995-A. Holly C. Wagner.

CONSTITUTION DIAGRAMS OF PENNSYLVANIA ANTHRACITE; GEOLOGICAL SURVEY BULLETIN 995-A

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1953. Soft cover. Item #42242

A study of the lithologic sonstituents of anthracite in Pennsylvania. 18 pages with map and references. All seven plates present plus the required two folded plates in the rear pocket. Errata slip for plate 7 stapled to the interior of the front cover. Bound in original gray paper covers with lettering printed in black. A very good copy.

Price: $20.00