The Innoko gold-placer district, Alaska, with accounts of the central Kuskokwim Valley and the Ruby Creek and Gold Hill placers - Maddren, A. G. (Alfred Geddes), 1875- (Washington, Govt. Print. Off., 1910)
Issued also as House doc. no. 188, 61st Cong., 2d sess.
Keywords: Gold mines and mining -- Alaska