Black and white negative. Site J 100 = 142, Mariposa County. Artifacts (pestles) owned by L.J. Harless. July 27, 1939. 2 3/8 square inches. 15-12193. Collector: Gordon W. Hewes. Donor: U.C. Central San Joaquin Valley Survey. Original number: 160. Remarks: Measurements on p 104- Gordon W. Hewes notes. Numbered four to six.