1. Bird bone Bookmark Museum number: 1-102645 Object class: Bird bones Collector: Francis A. Riddell and Harry Starr Riddell Jr. Collection place: CA-Las-1, Lassen County, California Collection date: March 1949
2. Bird bone Bookmark Museum number: 1-102659 Object class: Bird bones Collector: Francis A. Riddell and Harry Starr Riddell Jr. Collection place: CA-Las-1, Lassen County, California Collection date: March 1949
3. Bird bone Bookmark Museum number: 1-102627 Object class: Bird bones Collector: Francis A. Riddell and Harry Starr Riddell Jr. Collection place: CA-Las-1, Lassen County, California Collection date: March 1949
4. Bird bone Bookmark Museum number: 1-102628 Object class: Bird bones Collector: Francis A. Riddell and Harry Starr Riddell Jr. Collection place: CA-Las-1, Lassen County, California Collection date: March 1949
5. Bird bone Bookmark Museum number: 1-102630 Object class: Bird bones Collector: Francis A. Riddell and Harry Starr Riddell Jr. Collection place: CA-Las-1, Lassen County, California Collection date: March 1949
6. Bird bone Bookmark Museum number: 1-102593 Object class: Bird bones Collector: Francis A. Riddell and Harry Starr Riddell Jr. Collection place: CA-Las-1, Lassen County, California Collection date: March 1949
7. Bird bone Bookmark Museum number: 1-102642 Object class: Bird bones Collector: Francis A. Riddell and Harry Starr Riddell Jr. Collection place: CA-Las-1, Lassen County, California Collection date: March 1949
8. Bird bone Bookmark Museum number: 1-102652 Object class: Bird bones Collector: Francis A. Riddell and Harry Starr Riddell Jr. Collection place: CA-Las-1, Lassen County, California Collection date: March 1949
9. Bird bone Bookmark Museum number: 1-102638 Object class: Bird bones Collector: Francis A. Riddell and Harry Starr Riddell Jr. Collection place: CA-Las-1, Lassen County, California Collection date: March 1949
10. Bird bone Bookmark Museum number: 1-102626 Object class: Bird bones Collector: Francis A. Riddell and Harry Starr Riddell Jr. Collection place: CA-Las-1, Lassen County, California Collection date: March 1949