TY - BOOK AU - Becker, Leroy E. CN - QE109 CN - QE109 CY - Bloomington : DA - 1974. ID - 63818 KW - Geology, Stratigraphic KW - Geology, Stratigraphic KW - Geology PB - State of Indiana, Dept. of Natural Resources, Geological Survey, PP - Bloomington : PY - 1974. T1 - Silurian and Devonian rocks in Indiana southwest of the Cincinnati arch / TI - Silurian and Devonian rocks in Indiana southwest of the Cincinnati arch / ER -