Published by the Topographic and Geological Survey in Harrisburg, Pennsylvania. Third edition, 1961. Author, James D. Sisler. This is part 2, and describes in detail the bituminous coal deposits of the state, county-by-county. Size 9 1/4" x 6 3/8" (h x w), 511 pages. Binding, hard cover, green cloth with gilt lettering. Cover has worn spots, but contents are "As New." Has a complete index of all the companies mining in the various counties. Includes five fold-out maps and numerous cross-sections of coal seam thicknesses. Also included are 8 photographs of underground coal mining or coal mining towns.