TY - BOOK ED - United States. TI - Design manual : : neutralization of acid mine drainage U1 - 363.7384 22 PY - 1983/// CY - Washington, D.C. : PB - U.S. Environmental Protection Agency, KW - Acid mine drainage KW - Handbooks, manuals, etc N1 - Includes bibliographic references (p. 174-175) ER -