00715nam#a2200241#c#4500 990000000260203331 AT-OBV 20230225191217.0 tu 951113|1982####|||###########|||#|#eng#c AC01295107 (AT-OBV)AC01295107 AC01295107 (Aleph)000000026ACC01 (DE-599)OBVAC01295107 RET ger TUW rakwb eng XD-US Ackman, Terry E. aut Sludge disposal from acid mine drainage treatment by T. E. Ackman Washington, DC 1982 25 S. graph. Darst. Report of investigations / United States Department of the Interior, Bureau of Mines 8672