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Collection place
- 1 mile south of border, Jacumba Valley, Tecate municipality, Baja California2 objects
- 45BN55, Benton County, Central Washington1 objects
- 5 miles southeast of Willcox, Willcox Playa, Cochise County1 objects
- 6 miles southeast of Willcox, Willcox Playa, Cochise County1 objects
- 8.2 miles from San Agustin toward Santa Catarina, Baja California state, Mexico1 objects
- Ahumada Municipality, Chihuahua, Mexico1 objects
- Alameda County, California1 objects
- Aldama Municipality, Chihuahua, Mexico167 objects
- Arden-Arcade (CDP), Sacramento County, California1 objects
- Arizona2 objects
- Baja California Sur, Mexico1 objects
- Baja California peninsula, Mexico4 objects
- Baja California, Mexico3 objects
- Balleza Municipality, Chihuahua, Mexico1 objects
- Barro area, Napa Valley, Napa County33 objects
- Bear Valley, Marin County, California2 objects
- Benton County, Washington1 objects
- Berkeley, Alameda County, California1 objects
- Between sites 48 and 49 (Brooks), Gómez Farías Municipality, Chihuahua1 objects
- Buena Vista Hills, Kern County, California1 objects