TY - RPRT TI - Technique for predicting ground-water discharge to surface coal mines and resulting changes in head AU - L.S. Weiss AU - D. L. Galloway AU - Audrey L. Ishii PY - 1986 DO - 10.3133/wri864156 UR - https://pubs.usgs.gov/publication/wri864156 ID - wri864156 ER -