TY - BOOK ID - 138613676 TI - Geology of the McCalls Ferry - Quarryville District Pennsylvania by Eleanora Bliss Knopf and Anna I. Jonas. [U.S. Geological Survey Bulletin 799.]. AU - Jonas, Anna I. AU - Knopf, Eleanora Frances Bliss. AU - United States. AU - Geological Survey (U.S.) PY - 1927 PB - [Washington, D.C.] : [U.S. Government Printing Office], DB - UniCat KW - Erosion. KW - Faults (Geology) KW - Geological surveys. KW - Geology. KW - Igneous rocks. KW - Mines and mineral resources. KW - Mountains. KW - Bodies of water. KW - Rivers. KW - Event stratigraphy. KW - Watersheds. UR - https://www.unicat.be/uniCat?func=search&query=sysid:138613676 AB - ER -