TY - BOOK AU - Ettinger,Charles E. ED - United States. TI - Development of methods to improve performance of surface mine sediment basins: phase I U1 - 338.209730 PY - 1980/// CY - Cincinnuti PB - U.S. Government Printing Office KW - Mines and mineral resources KW - United States N1 - Interagency energy/environment R and D program report ER -