TY - BOOK T1 - Development of the Mississippian-Pennsylvanian unconformity in Indiana / DA - 1989. CY - Bloomington, Ind. : AU - Droste, John Brown, AU - Keller, Stanley J. VL - 55 CN - QE109 CN - QE109 PB - Dept. of Natural Resources, Geological Survey, PP - Bloomington, Ind. : PY - 1989. ID - 126439 KW - Geomorphology KW - Geology, Stratigraphic TI - Development of the Mississippian-Pennsylvanian unconformity in Indiana / ER -