WASH.BULL.37-2,P.310;SPARSELY MIN.QTZ.VEINS AND ZONES 1-20FTIN METASEDIMENTS;400 TON MILL UNDER CONST.(1952); PROD.1AS OF 1962,A 200-TON MILL AT TON- ASKET AND CURRENT EXPLORATTHE MINE; WASH I.C.37,P.11;WASHINGTON STATE DEPT. OF ECOLOGY. CONFIRMED AND SUSPECTEDCONTAMINATED SITES REPORT, OCT. 13, 1993.