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- Museum number:
- 1-196154
- Object class:
- Perforators
- Collector:
- Francis A. Riddell
- Collection place:
- CA-Las-7, Karlo area, Lassen County
- Collection date:
- 1955
- Museum number:
- 1-65658
- Object class:
- Perforators
- Dimensions:
- width 15 millimeters and length 42 millimeters
- Collector:
- Robert Fleming Heizer
- Collection place:
- Humboldt Lake Bed, Pershing County, Nevada
- Collection date:
- 1936
- Museum number:
- 1-145336
- Object class:
- Perforators
- Collector:
- Francis A. Riddell and James Francis Riddell
- Collection place:
- CA-Las-7, Karlo area, Lassen County
- Collection date:
- November 26-28, 1954
- Museum number:
- 1-220901
- Object class:
- Perforators
- Collector:
- Edward Hughes and James A. Barr
- Collection place:
- CA-SJo-75, San Joaquin County, California
- Collection date:
- 1898
- Museum number:
- 1-196140
- Object class:
- Perforators
- Collector:
- Francis A. Riddell
- Collection place:
- CA-Las-7, Karlo area, Lassen County
- Collection date:
- 1955
- Museum number:
- 1-65653
- Object class:
- Perforators
- Dimensions:
- length 53 millimeters and width 19 millimeters
- Collector:
- Robert Fleming Heizer
- Collection place:
- Humboldt Lake Bed, Pershing County, Nevada
- Collection date:
- 1936
- Museum number:
- 1-145337
- Object class:
- Perforators
- Collector:
- Francis A. Riddell and James Francis Riddell
- Collection place:
- CA-Las-7, Karlo area, Lassen County
- Collection date:
- November 26-28, 1954
- Museum number:
- 1-65670
- Object class:
- Perforators
- Dimensions:
- width 15 millimeters and length 50 millimeters
- Collector:
- Robert Fleming Heizer
- Collection place:
- Humboldt Lake Bed, Pershing County, Nevada
- Collection date:
- 1936
- Museum number:
- 1-196158
- Object class:
- Perforators
- Collector:
- Francis A. Riddell
- Collection place:
- CA-Las-7, Karlo area, Lassen County
- Collection date:
- 1955
- Museum number:
- 7-5648.3
- Object class:
- Perforators
- Collector:
- Sonia R. Ragir
- Collection place:
- Combe Grenal, Dordogne, France
- Collection date:
- Summer 1963