Collection place
- CA-Las-11, Petes Valley, Lassen County44 objects
- Petes Valley, Lassen County, California44 objects
- Stacy High Rock Ranch, Lassen County, California44 objects
- CA-Las-21, Secret Valley, Lassen County40 objects
- CA-Las-30, Lassen County, California32 objects
- CA-Las-24, Secret Valley, Lassen County31 objects
- CA-Las-28 (Wendel Hot Springs), Lassen County, California28 objects
- CA-Las-3, Lassen County, California25 objects
- CA-Las-33, Long Valley, Lassen County22 objects
- Long Valley, Lassen County, California22 objects
- CA-Las-18, Honey Lake Valley, Lassen County21 objects
- CA-Las-20, Secret Valley, Lassen County16 objects
- CA-Las-5, Honey Island, Lassen County11 objects
- CA-Las-13 (Horse Lake site), Horse Lake, Lassen County5 objects
- CA-Las-2, Lassen County, California5 objects
- Horse Lake, Lassen County, California5 objects
- CA-Las-26, Secret Valley, Lassen County4 objects
- CA-Las-25, Secret Valley, Lassen County2 objects
- Susanville, Lassen County, California2 objects
- CA-Las-19, Susanville, Lassen County1 objects