TY - BOOK AU - Erdman, James A. AU - Smith, K. S. CN - I 19.76: CY - Denver, CO : DA - 1993. ID - 240797 KW - Gold mines and mining KW - Soil pollution KW - Irrigation water N1 - Cover title. N1 - At head of title: United States Department of the Interior, Geological Survey. N1 - Shipping list no.: 94-0603-M. PB - U.S. Geological Survey, PP - Denver, CO : PY - 1993. T1 - Impact of the Summitville Mine on irrigation water, agricultural soils, and alfalfa in the southwestern San Luis Valley, Colorado TI - Impact of the Summitville Mine on irrigation water, agricultural soils, and alfalfa in the southwestern San Luis Valley, Colorado VL - 93-616 ER -