The Mineralogy of Pennsylvania by Gordan, Samuel G - 1922

Philadelphia, PA: The Academy of Natural Sciences of Philadelphia. Very Good. 1922. 1st Edition; 1st Printing. Trade Paperback. Large paperback, scarce original edition, brown covers, 255 pages + an Index, also includes a bibliography, "Special Publication No. 1 - Academy of Natural Sciences of Philadelphia." A mild vertical crease is present on the back cover, two small label-ghosts on the front cover, tiny corner-creases to the bottoms of the first 17 pages, the binding is tight and clean and the contents are fine .