TY - RPRT TI - Using DC resistivity ring array surveys to resolve conductive structures around tunnels or mine-workings AU - Michael Albert Mitchell AU - Douglas W. Oldenburg PY - 2023 DO - 10.1016/j.jappgeo.2023.104949 UR - https://pubs.usgs.gov/publication/70242669 ID - 70242669 ER -