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- Museum number:
- 1-197358
- Object class:
- Mineral and rock samples
- Collector:
- Francis A. Riddell
- Collection place:
- CA-Las-126, Eagle Lake, Lassen County
- Collection date:
- 1956
- Museum number:
- 1-197499
- Object class:
- Mineral and rock samples
- Collector:
- Francis A. Riddell
- Collection place:
- Lassen County, California
- Collection date:
- 1956