Collection place
- Arkansas63 objects
- Bank of Clackamas River, Clackamas County, Western Oregon32 objects
- Bartlett Springs, Lake County, California2 objects
- Bodega Bay region, Sonoma County, California1 objects
- CA-Col-1 (Miller Mound), Colusa County, California1 objects
- CA-SJo-26, San Joaquin County, California22 objects
- CA-SJo-31, San Joaquin County, California12 objects
- CA-SJo-33, San Joaquin County, California6 objects
- CA-SJo-43, San Joaquin County, California566 objects
- CA-SJo-45, San Joaquin County, California9 objects
- CA-SJo-46, San Joaquin County, California25 objects
- CA-SJo-47, San Joaquin County, California2 objects
- CA-SJo-48, San Joaquin County, California10 objects
- CA-SJo-53, San Joaquin County, California2 objects
- CA-SJo-54, Thornton, San Joaquin County2 objects
- CA-SJo-55, Thornton, San Joaquin County1 objects
- CA-SJo-56 (Old Wheeler), Thornton, San Joaquin County9 objects
- CA-SJo-57, Thornton, San Joaquin County37 objects
- CA-SJo-59, San Joaquin County, California48 objects
- CA-SJo-68, San Joaquin County, California488 objects