1. Hammerstone Object status: Deaccessioned Museum number: 1-63861 Object class: Hammerstones Collector: Adán Eduardo Treganza, Barbara Fenenga, Clarence E. Smith, Edith S. (Taylor) Wallace, Franklin Fenenga, Jean Hutton, Robert F. Spencer, Walter D. Weymouth, and William J. Wallace Collection place: CA-Mrn-39 (Belvedere site), Marin County, California Collection date: October 1943
2. Hammerstone Museum number: 1-63886 Object class: Hammerstones Collector: William J. Wallace Collection place: CA-SCr-4, Santa Cruz County, California Collection date: February 1944