Folios of the Geologic Atlas of the United States : Elkton-Wilmington, Maryland - Delaware - New Jersey - Pennsylvania, 1920, Folios of the Geologic Atlas of the United States, Number 211 : 22 pages and 4 maps.

1920 Folios of the Geologic Atlas of the United States Number 211 : 22 pages and 4 maps. Library Edition, Original Vintage Atlas Folio, Very Collectable. Softbound, minor sign of use, text and plates in very good condition