1. Lithic Bookmark Museum number: 1-148583 Object class: Worked stone Collector: Francis A. Riddell Collection place: CA-Las-7, Karlo area, Lassen County Collection date: 1955
2. Lithic Bookmark Object status: Deaccessioned Museum number: 1-230824 Object class: Worked stone Collector: Jean M. Pitzer Collection place: CA-Lak-140, Lake County, California
3. Lithic Bookmark Museum number: 1-148493 Object class: Worked stone Collector: Francis A. Riddell Collection place: CA-Las-7, Karlo area, Lassen County Collection date: 1955
4. Lithic Bookmark Museum number: 1-192666 Object class: Worked stone Collector: James F. O'Connell Collection place: CA-Mod-231, Modoc County, California Collection date: 1967
5. Lithic Bookmark Museum number: 1-148472 Object class: Worked stone Collector: Francis A. Riddell Collection place: CA-Las-7, Karlo area, Lassen County Collection date: 1955
6. Lithic Bookmark Museum number: 1-192596 Object class: Worked stone Collector: James F. O'Connell Collection place: CA-Mod-230, Modoc County, California Collection date: 1967
7. Lithic Bookmark Museum number: 1-148585 Object class: Worked stone Collector: Francis A. Riddell Collection place: CA-Las-7, Karlo area, Lassen County Collection date: 1955
8. Lithic Bookmark Museum number: 1-148467 Object class: Worked stone Collector: Francis A. Riddell Collection place: CA-Las-7, Karlo area, Lassen County Collection date: 1955
9. Lithic Bookmark Museum number: 1-148573 Object class: Worked stone Collector: Francis A. Riddell Collection place: CA-Las-7, Karlo area, Lassen County Collection date: 1955
10. Lithic Bookmark Museum number: 1-148469 Object class: Petrified wood Collector: Francis A. Riddell Collection place: CA-Las-7, Karlo area, Lassen County Collection date: 1955