Mineral Resources of Alaska: Report on Progress of Investigations in 1908

Alaska amount August auriferous beach bed rock bench Bonanza Bulletin canyon carried Casadepaga cents chalcopyrite Chignik Bay claims coal field Cook Inlet cost country rock Creek at mouth creek gravels deposits depth discharge ditch drainage area drainage basin dredge east elevation Fairbanks district feet flows Fork Ganes Creek geologic Glacier greenstone ground Gulch head Herendeen Bay inches Innoko intake Island July June Kigluaik Mountains Kiwalik River Kougarok Kruzgamepa Lignite limestone localities located lode lower mineral mining mountains Nome occur operations Ophir Creek outcrops pay streak peat placer gold placer mining Prince William Sound probably production prospecting pyrrhotite quartz reconnaissance reported sand schists season second-feet September Seward Peninsula shaft shales shore side slate slopes sluicing square miles stream sulphides summer surface Survey thickness tion topographic tributaries tunnel U. S. Geol Unga Island upper Valdez valley values veins winter Yukon zone