TY - RPRT TI - High-frequency, long-duration water sampling in acid mine drainage studies: a short review of current methods and recent advances in automated water samplers AU - Thomas Chapin PY - 2015 DO - 10.1016/j.apgeochem.2015.04.004 UR - https://pubs.usgs.gov/publication/70148546 ID - 70148546 ER -