Unknown, “Thorp Mill,” Brooks Library Digital Collections, accessed December 22, 2014, http://digital.lib.cwu.edu/items/show/10440.
Thorp (Wash.) -- History -- Pictorial works.
Lloyd Hatfield and team of horses leaving Thorp Mill with a load of grain at Thorp, Washington.
Central Washington University Archives (Ellensburg, Wash.)
Thorp Mill Town Historical Society
Central Washington University
Scan of photographic print.
United States -- Washington (State)