This primary source comes from the Records of the Bureau of Public Roads.
National Archives Identifier:
513356Full Citation: Automobile helped through sandy wash onto mesa, 7 miles northwest of Yuma, Calif. by A. L. Westgard; 11/20/1911; Records of the Bureau of Public Roads, Record Group 30. [Online Version, https://www.docsteach.org/documents/document/automobile-helped-through-sandy-wash-onto-mesa-7-miles-northwest-of-yuma-calif-by-a-l-westgard, March 27, 2025]