TY - RPRT TI - Principal facts for a gravity survey made in northeastern Oklahoma and southeastern Kansas during 1948 AU - Kenneth L. Cook AU - Albert J. Hoskinson AU - George R. Shelton PY - 1959 DO - 10.3133/ofr6318 UR - https://pubs.usgs.gov/publication/ofr6318 ID - ofr6318 ER -