Collection place
- El Dorado County, California151 objects
- Sierra County, California145 objects
- Truckee, Nevada County, California129 objects
- CA-Nev-8, Truckee, Nevada County124 objects
- CA-Pla-5, Placer County, California124 objects
- Alpine County, California97 objects
- CA-Nev-30, Nevada County, California95 objects
- Prosser Creek area, Nevada County, California94 objects
- CA-Cal-83, Calaveras County, California93 objects
- CA-Nev-67, Prosser Creek area, Nevada County57 objects
- CA-Sie-3, Sierra County, California48 objects
- East Fork of the Carson River, Alpine County, California48 objects
- Sweetland area, Nevada County, California48 objects
- Auburn area, Placer County, California47 objects
- East Auburn, Auburn, Placer County46 objects
- CA-Alp-7, Alpine County, California45 objects
- CA-Nev-45, Nevada County, California44 objects
- Plumas Eureka (CDP), Plumas County, California44 objects
- CA-Plu-2, Plumas County, California43 objects
- CA-Cal-114, Calaveras County, California42 objects