TY - RPRT TI - Geophysical well logs for drill hole UPH-3, Stephenson County, Illinois AU - Jeffrey J. Daniels AU - J. H. Scott AU - G.R. Olhoeft PY - 1981 DO - 10.3133/ofr81237 UR - https://pubs.usgs.gov/publication/ofr81237 ID - ofr81237 ER -