TY - RPRT TI - Science for watershed decisions on abandoned mine lands; review of preliminary results, Denver, Colorado, February 4-5, 1998 AU - David A. Nimick AU - Paul Von Guerard PY - 1998 DO - 10.3133/ofr98297 UR - https://pubs.usgs.gov/publication/ofr98297 ID - ofr98297 ER -