Collection place: The Americas / Materials: Basalt (basic igneous rock) / Accession number: Acc.727 - Hearst Museum Portal Search Results

Start Over Collection place The Americas Materials Basalt (basic igneous rock) Accession number Acc.727

1. Mortar

Museum number:: 1-50013
Object class:: Ground stone and Mortars (grinding tools)
Collector:: Robert Fleming Heizer
Collection place:: CA-CCo-NL-28, Jersey Island, Contra Costa County

2. Mortar fragment

Museum number:: 1-50041
Object class:: Ground stone and Mortars (grinding tools)
Dimensions:: diameter 14 centimeters
Collector:: Robert Fleming Heizer
Collection place:: CA-Nap-14 (Las Trancas site), Napa Valley, Napa County
Collection date:: June 14, 1938

3. Pebbles

Museum number:: 1-50025
Object class:: Pebbles
Collector:: Robert Fleming Heizer
Collection place:: CA-CCo-145, Byron Tract, Contra Costa County