Interior of the mill building at the Alaska Pacific Consolidated Mining Company Independence Mine. Photograph shows Charlie Porter with a container of mercury in his hand, in the process of adding mercury to the ball mill. Original photograph...
S.W. Partridge & Co. Ltd. [1900?], 320 pages An adventure tale, set in Alaska, with a buried treasure; "Red Mountain," referred to in the title, is named for a red ore, "Cinnabar," from which miners can extract mercury
View of Rusty Heurlien (probably Heurlin) holding gold retort sponge at Independence Mine near Hatcher Pass in southcentral Alaska. Gold retort sponge is produced when gold amalgam is heated to separate the gold from the mercury contained in the...