01344cam a22002891 4500 gs 07000693 DLC 20260227111306.0 760426m1875 pauabef 001 0 eng gs 07000693 (OCoLC)2140447 DLC GAT DLC premarc QE157 .A16 Geological Survey of Pennsylvania. Report of progress 1874-1889, A-Z. Harrisburg, Board of Commissioners for the Second Geological Survey, 1875-91. 109 v. illus., plates (part fold.) maps (part fold.) fold. plans, fold. tables, diagrs. 22-24 cm. 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. Geology Pennsylvania. Coal Pennsylvania. Pennsylvania. Board of Commissioners for the Second Geological Survey. 24616 24616