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- Museum number:
- 1-197850
- Object class:
- Mineral and rock samples
- Collector:
- Francis A. Riddell
- Collection place:
- CA-Las-163, Mud Flat, Lassen County
- Collection date:
- April 1956
- Museum number:
- 1-103784
- Object class:
- Mineral and rock samples
- Collector:
- Francis A. Riddell and Harry Starr Riddell Jr.
- Collection place:
- CA-Las-9 (Madeline Dunes site), Madeline Plains, Lassen County
- Collection date:
- 1948
- Museum number:
- 1-62871
- Object class:
- Mineral and rock samples
- Dimensions:
- width 105 millimeters, length 180 millimeters, and length 35 millimeters
- Collector:
- Walter D. Weymouth
- Collection place:
- CA-Sha-20, Shasta County, California
- Collection date:
- June-August 1942
- Museum number:
- 1-139375
- Object class:
- Mineral and rock samples
- Collector:
- Gordon L. Grosscup and Robert J. Squier
- Collection place:
- CA-Sis-83, Tule Lake, Siskiyou County
- Museum number:
- 1-229486
- Object class:
- Mineral and rock samples
- Collector:
- James F. O'Connell
- Collection place:
- CA-Mod-204, Modoc County, California
- Museum number:
- 1-229518
- Object class:
- Mineral and rock samples
- Collector:
- James F. O'Connell
- Collection place:
- CA-Mod-204, Modoc County, California
- Museum number:
- 1-229542
- Object class:
- Mineral and rock samples
- Collector:
- James F. O'Connell
- Collection place:
- CA-Mod-204, Modoc County, California
- Museum number:
- 1-229414
- Object class:
- Mineral and rock samples
- Collector:
- James F. O'Connell
- Collection place:
- CA-Mod-204, Modoc County, California
- Museum number:
- 1-229555
- Object class:
- Mineral and rock samples
- Collector:
- James F. O'Connell
- Collection place:
- CA-Mod-204, Modoc County, California
- Museum number:
- 1-229500
- Object class:
- Mineral and rock samples
- Collector:
- James F. O'Connell
- Collection place:
- CA-Mod-204, Modoc County, California