TY - RPRT TI - Hydrogeology, ground-water flow, and tritium movement at low-level radioactive-waste disposal site near Sheffield, Illinois AU - George Garklavs AU - R. W. Healy PY - 1986 DO - 10.3133/wri864153 UR - https://pubs.usgs.gov/publication/wri864153 ID - wri864153 ER -