TY - RPRT TI - Stream water quality in coal mined areas of the lower Cheat River Basin, West Virginia and Pennsylvania, during low-flow conditions, July 1997 AU - Donald R. Williams AU - Mary E. Clark AU - Juliane B. Brown PY - 1999 DO - 10.3133/wri984258 UR - https://pubs.usgs.gov/publication/wri984258 ID - wri984258 ER -