TY - BOOK AU - Maddren,A.G. TI - The Innoko gold-placer district, Alaska, with accounts of the central Kuskokwim Valley and the Ruby Creek and Gold Hill placers, T2 - U.S. Geological survey. Bulletin AV - TN423.A7 M2 PY - 1910/// CY - Washington PB - Govt. Print. Off. KW - Gold mines and mining KW - Alaska N1 - Issued also as House doc. no. 188, 61st Cong., 2d sess ER -