TY - RPRT TI - Lithofacies description and interpretation of selected intervals in the upper part of the Ordovician Simpson Group in a core from the Mazur well, Southeast Anadarko Basin, Oklahoma AU - R. M. Flores AU - C. W. Keighin PY - 1986 DO - 10.3133/ofr86564 UR - https://pubs.usgs.gov/publication/ofr86564 ID - ofr86564 ER -