TY - RPRT TI - Geologic and hydraulic characteristics of selected shaly geologic units in Oklahoma AU - C.J. Becker AU - M.D. Overton AU - K.S. Johnson AU - K. V. Luza PY - 1997 DO - 10.3133/wri964303 UR - https://pubs.usgs.gov/publication/wri964303 ID - wri964303 ER -