Black and white negative. Site J 99 = 141, Mariposa County. Bedrock mortar at Site J 99, downstream ca 200' from petroglyphs. July 26, 1939. 2 3/8 square inches. 15-12184. Collector: Gordon W. Hewes. Donor: U.C. Central San Joaquin Valley Survey. Original number: 151.
Collection place:
Mariposa County, California
Verbatim coll. place:
Site J 99 = 141, Mariposa County
Collector:
Gordon W. Hewes
Collection date:
July 26, 1939
Object type:
documentation
Object class:
Black-and-white negatives and Mortars (grinding tools)