TY - RPRT TI - Hydrogeology of a low-level radioactive-waste disposal site near Sheffield, Illinois AU - J.B. Foster AU - J.R. Erickson AU - R. W. Healy PY - 1984 DO - 10.3133/wri834125 UR - https://pubs.usgs.gov/publication/wri834125 ID - wri834125 ER -