Collection place
- 1 mile east of Missouri Bend school, Lassen County, California6 objects
- 1 mile north of Jackson, Amador County2 objects
- 2.7 miles north of CA-Mod-214, Modoc County, California1 objects
- 25-30 miles East of Oroville, on Feather River, Plumas County1 objects
- 5 mi. S. of Truckee, on Lake Tahoe road, Placer County1 objects
- Adams Ranch, Calaveras County, California1 objects
- Adin, Modoc County, California3 objects
- Alpine County, California347 objects
- Alturas, Modoc County, California118 objects
- Amador County, California1,018 objects
- American Camp, Tuolumne County, California5 objects
- American Valley, Plumas County, California1 objects
- Anderson, Shasta County, California10 objects
- Angels Camp, Calaveras County, California13 objects
- Antlers, Shasta County, California16 objects
- Ash Creek, Lassen County, California1 objects
- At Forks of Salmon Road, Siskiyou County, California3 objects
- Auburn area, Placer County, California59 objects
- Avery, Calaveras County, California30 objects
- Baird (historic place), Shasta County, California22 objects