TY - BOOK AU - Desborough, George A. CN - I 19.76: CY - Denver, Colo. : DA - 1999. ID - 233446 KW - Acid mine drainage KW - Spoil banks KW - Metals N1 - Cover title. N1 - Distributed to some depository libraries in microfiche. PB - U.S. Dept. of the Interior, U.S. Geological Survey, PP - Denver, Colo. : PY - 1999. T1 - Acid generation and metal mobility of some metal-mining related wastes in Colorado / TI - Acid generation and metal mobility of some metal-mining related wastes in Colorado / VL - 99-322 ER -