Parker, Arizona in Yuma County, was an unincorporated town in 1942.
Sheriff Jim Washum
A War Relocation Authority center for evacuees of Japanese ancestry is situated on the Colorado River Indian Reservation, near Parker. Photographer: Clem Albers for the War Relocation Authority, Dept of the Interior. Poston, Arizona. 4/9/1942
Poster on barber shop door - "Japs Keep Out!"
"November 11, 1944, Poston, AZ. Close-up of door of barber shop by owned by Andy Hale, in a little desert town of Parker, 15 miles from where is located the Colorado River Relocation Center. Evacuees from the center, who cannot leave its confines without a pass, are discouraged from shopping in Parker, by WRA officials." National Archives.