TY - RPRT TI - Assessment and comparison of 1976-77 and 2002 water quality in mineshafts in the Picher Mining District, northeastern Oklahoma and southeastern Kansas AU - Kelli L. DeHay PY - 2003 DO - 10.3133/wri034248 UR - https://pubs.usgs.gov/publication/wri034248 ID - wri034248 ER -