Unknown, “Dam,” Brooks Library Digital Collections, accessed May 20, 2013, http://digital.lib.cwu.edu/items/show/10435.
Thorp (Wash.) -- History -- Pictorial works.
Dam on the Yakima River near Thorp, Washington. Pictured from left to right are Frank Ivan, Horace Hutchinson and Jim Duncan.
Central Washington University Archives (Ellensburg, Wash.)
Thorp Mill Town Historical Society
Central Washington University
Scan of photographic print.
United States -- Washington (State)