MS001-06-01, Series 19, PEO-035
Wenatchee World Press
Sinclair O. Harper was Chief Engineer of United States Bureau of Reclamation
"Sinclair O. Harper Portrait" (2014). Rufus Woods Photographs. 667.
Rufus Woods Papers, Central Washington University Archives and Special Collections
Spatial Coverage (for ex: Ellensburg, WA)
United States -- Washington (State)
Grand Coulee Dam (Wash.) -- History