1. Scraper Bookmark Museum number: 1-177820 Object class: Scrapers (stone tools) Collector: Harry Starr Riddell Jr. and Mrs. D. Riddell Collection place: CA-Iny-30, Inyo County, California
2. Scraper Bookmark Museum number: 1-177791 Object class: Scrapers (stone tools) Collector: Harry Starr Riddell Jr. and Mrs. D. Riddell Collection place: CA-Iny-30, Inyo County, California
3. Scraper Bookmark Museum number: 1-177971 Object class: Scrapers (stone tools) Collector: Harry Starr Riddell Jr. and Mrs. D. Riddell Collection place: CA-Iny-30, Inyo County, California
4. Scraper Bookmark Museum number: 1-177916 Object class: Scrapers (stone tools) Collector: Harry Starr Riddell Jr. and Mrs. D. Riddell Collection place: CA-Iny-30, Inyo County, California
5. Scraper Bookmark Museum number: 1-205730 Object class: Scrapers (stone tools) Collector: Francis A. Riddell and Mrs. D. Riddell Collection place: CA-Las-71, Lassen County, California Collection date: unknown
6. Scraper Bookmark Museum number: 1-177945 Object class: Scrapers (stone tools) Collector: Harry Starr Riddell Jr. and Mrs. D. Riddell Collection place: CA-Iny-30, Inyo County, California
7. Scraper Bookmark Museum number: 1-177798 Object class: Scrapers (stone tools) Collector: Harry Starr Riddell Jr. and Mrs. D. Riddell Collection place: CA-Iny-30, Inyo County, California
8. Scraper Bookmark Museum number: 1-177941 Object class: Scrapers (stone tools) Collector: Harry Starr Riddell Jr. and Mrs. D. Riddell Collection place: CA-Iny-30, Inyo County, California
9. Scraper Bookmark Museum number: 1-205723 Object class: Scrapers (stone tools) Collector: Francis A. Riddell and Mrs. D. Riddell Collection place: CA-Las-68, Secret Valley, Lassen County Collection date: unknown
10. Scraper Bookmark Museum number: 1-205701 Object class: Scrapers (stone tools) Collector: Francis A. Riddell and Mrs. D. Riddell Collection place: CA-Las-67, Lassen County, California Collection date: unknown