Gold analytical results and gold signatures from the Anchorage, Charley River, Healy, Iditarod, Juneau, Mt. Hayes, Mt. McKinley, Ophir, Ruby, and Talkeetna quadrangles, Alaska - Cathrall, J.; Antweiler, J.C.; VanTrump Jr., George; Mosier, E. (Open-File Report, 1990)