TY - BOOK ID - 125180980 TI - Pre-Atoka rocks of northern Arkansas AU - Frezon, Sherwood E. AU - Glick, Ernest E. AU - Geological Survey (U.S.) PY - 1959 PB - Washington : United States Department of the Interior, Geological Survey, DB - UniCat KW - Geology KW - Geology, Stratigraphic KW - Geology. KW - Geology, Stratigraphic. KW - Paleozoic Geologic Period. KW - From 230 to 570 million years ago KW - Arkansas. UR - https://www.unicat.be/uniCat?func=search&query=sysid:125180980 AB - ER -