Black and white negative. McGillivray site (Sohneck 142) Mokelumne R. San Joaquin County, California. Trench A., looking north. August 1937. 3 1/2 x 4 1/2 inches. 15-11671 to 15-11672. R.F. Heizer.
Collection place:
CA-SJo-142, San Joaquin County, California
Verbatim coll. place:
McGillivray site (Sohneck 142) Mokelumne R. San Joaquin County, California