C. P. Harper, “Railroad,” Brooks Library Digital Collections, accessed March 10, 2014, http://digital.lib.cwu.edu/items/show/12258.
Kittitas County (Wash.) -- History -- Pictorial works.
Locomotives of the Chicago, Milwaukee, St. Paul and Pacific Railroad at the summit of Snoqualmie Pass in upper Kittitas County, Washington.
C. P. Harper
Central Washington University Archives (Ellensburg, Wash.)
Krueger, Frederick (1939- )
Central Washington University
Scan of photographic print.
United States -- Washington (State)