GEOLOGIC ATLAS OF THE UNITED STATES; EBENSBURG FOLIO, PENNSYLVANIA; FOLIO 133
Washington, DC: United States Geological Survey [USGS], 1905. First edition. Large folio. Printed wrappers. Nine pages with "Description of the Ebensburg Quadrangle," plus four pages of maps showing, besides geologic features, roads, railroads and towns, and one page of a columnar section. A very good plus copy. More