On June 29, 1936, President Franklin D. Roosevelt signed legislation (Public Law 840, H.R. 7736) that established Whitman Mission at Waiilatpu as a unit of the National Park Service (NPS). The act stated the following:
(Information excerpted from Whitman Mission NHS General Management Plan, 2000)
Did You Know?
Great Basin Wild Rye Grass is part of the natural landscape at Whitman Mission. The name Waiilatpu, meaning place of rye grass, was used by the people to name the mission site.