01148cam a22002651 4500 gs 07000711 DLC 20260227111306.0 780118s1883 pau 000 0 eng gs 07000711 (OCoLC)3565835 DLC PMilS DLC premarc QE157 .A16 vol. 16, pt. 2 D'Invilliers, Edward Vincent, 1857- The geology of the South Mountain belt of Berks County. Harrisburg, Board of Commissioners for the Second Geological Survey, 1883. xxiiD, D441, 6 p. illus., 3 plates, map, diagrs. 23 cm. Second geological survey of Pennsylvania: report of progress D3, v. 2, pt. 1 "Illustrated ... by the maps in the Atlas to D3 [v. 1: The pageppy of Lehigh and Northampton Counties issued by the Pennsylvania State Geologist (1874-1890)]" Appendix: Indians of Berks County. Geology Pennsylvania Berks County. Indians of North America Pennsylvania. Report of progress (Geological Survey of Pennsylvania), D3, v. 2, pt. 1. 24619 24619