Mining required large supplies of timber for props, buildings and so on. The short-lived Skookum Copper Mining Co. built its own saw mill to avoid hauling lumber long distances over rough or non-existant roads.
"Skookum Copper Mining Co. Saw Mill, Near Roslyn" (1900). Ellensburg History Photographs. 281.
Local History Collection Photographs, Ellensburg Public Library
Kittitas County (Wash.) -- Buildings, Historic, Historic buildings -- Washington (State) -- Kittitas County, Skookum Copper Mining Co. (Roslyn, Wash.), Mines and mining -- Washington (State) -- Roslyn