This primary source comes from the Records of the Bureau of Indian Affairs.
National Archives Identifier:
298621Full Citation: Aqua Caliente Reservation. Andreas Canyon Dam washed out February 1927. Rocks in the abutment removed 3/10/28; 3/10/1928; Records of the Bureau of Indian Affairs, Record Group 75. [Online Version, https://docsteach.org/documents/document/aqua-caliente-reservation-andreas-canyon-dam-washed-out-february-1927-rocks-in-the-abutment-removed-31028, May 2, 2024]