TY - BOOK ED - Geological Survey of Pennsylvania. ED - Pennsylvania. TI - Report of progress 1874-1889, A-Z AV - QE157 .A16 PY - 1875///-91 CY - Harrisburg PB - Board of Commissioners for the Second Geological Survey KW - Geology KW - Pennsylvania KW - Coal N1 - 35 vols. are atlases; Several volumes have no general title; J. Peter Lesley, State Geologist; A list of these reports with index may be found in the appendix to "A general index of the Final summary report of the geology of Pennsylvania," 1895; Appendix A to Report of progress R (not listed in above index) was issued in 1881 with title: Drillings for coal in Sergeant Township, McKean County. A correspondence by N. F. Jones, J. P. Lesley, and Chas. A. Ashburner ER -