The Geology of Lawrence County, to which is appended a special report on the correlation of the Coal measures of Western Pennsylvania and Eastern Ohio
Harrisburg: Board of Commissioners, C. 1879. Hardcover. 8vo, black cloth, good solid copy with light wear and fading to binding, contents VG. 336 pp, illustrated, with map in pocket at rear. Second Geological Survey of Pennsylvania, Report of Progress 1877, QQ.