1. Charcoal Bookmark Museum number: 1-127074a-f Object class: Charred Collector: Adán Eduardo Treganza and Robert Fleming Heizer Collection place: CA-Ama-3 (Bamert Cave), Amador County, California Collection date: September 1950 Taxon: Margaritifera margaritifera, Pinus sabiniana, and Quercus wislizeni