TY - RPRT TI - Geophysical methods for locating abandoned wells AU - Frank C. Frischknecht AU - L. Muth AU - R. Grette AU - T. Buckley AU - B. Kornegay PY - 1983 DO - 10.3133/ofr83702 UR - https://pubs.usgs.gov/publication/ofr83702 ID - ofr83702 ER -