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Collection place
- Alameda County, California29
- Alameda, Alameda County, California5
- Alpine quarry area sites, Brewster County, Texas83
- Arizona40
- Barro area, Napa Valley, Napa County395
- Belize2,430
- Benton (CDP), Mono County, California13
- Berkeley, Alameda County, California13
- Berryessa Valley, Napa County, California7
- Big Chico Creek watershed, Butte County, California20
- Big Meadow, Mariposa County, California36
- Bodega Bay region, Sonoma County, California46
- Bodega Harbor, Sonoma County, California46
- Brewster County, Texas83
- Bridgeport (CDP), Mono County, California68
- Bridgeport Valley, Mono County, California68
- Burke camp, Belize1
- Butte County, California20
- CA-Ala-307, Berkeley, Alameda County13
- CA-Ala-317, Alameda, Alameda County5