TY - BOOK ID - 133828609 TI - Preliminary report on the palaeontology of Perry County, describing the order and thickness of its formations and its folded and faulted structure PY - 1885 PB - Harrisburg Board of commissioners for the Second geological survey DB - UniCat KW - Geology KW - Paleontology KW - Pennsylvania KW - Perry County UR - https://www.unicat.be/uniCat?func=search&query=sysid:133828609 AB - ER -