TY - BOOK AU - D'Invilliers,Edward Vincent TI - The geology of the South Mountain belt of Berks County T2 - Second geological survey of Pennsylvania: report of progress AV - QE157 .A16 vol. 16, pt. 2 PY - 1883/// CY - Harrisburg PB - Board of Commissioners for the Second Geological Survey KW - Geology KW - Pennsylvania KW - Berks County KW - Indians of North America N1 - "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 ER -