1. Crystal Bookmark Crystal. Search result 1 Museum number: 1-13239 Object class: Mineral and rock samples Collector: Nels C. Nelson Collection place: CA-CCo-295, Richmond, Contra Costa County Collection date: 1907
2. Crystal Bookmark Crystal. Search result 2 Museum number: 1-13238 Object class: Mineral and rock samples Collector: Nels C. Nelson Collection place: CA-CCo-295, Richmond, Contra Costa County Collection date: 1907
3. Crystal Bookmark Crystal. Search result 3 Museum number: 1-13225 Object class: Mineral and rock samples Collector: Nels C. Nelson Collection place: CA-CCo-295, Richmond, Contra Costa County Collection date: 1907
4. Crystals Bookmark Crystals. Search result 4 Museum number: 1-11515 Object class: Mineral and rock samples Collector: A. V. Wepfer and Nels C. Nelson Collection place: CA-CCo-295, Richmond, Contra Costa County Collection date: July-August 1906