Collection place
- 45KL242, Klickitat County, Central Washington1 objects
- 5 miles southeast of Willcox, Willcox Playa, Cochise County2 objects
- Abilene area, Taylor County, Texas1 objects
- Adrar region, Mauritania4 objects
- Africa4 objects
- Alameda County, California4 objects
- Alamo Plain, Ensenada municipality, Baja California1 objects
- Alaska4 objects
- Alpine County, California7 objects
- Archibald Mound #2, Linn County, Western Oregon2 objects
- Arizona8 objects
- Arroyo Mocho, Alameda County, California1 objects
- Arroyo Santa Úrsula, Baja California2 objects
- Australia4 objects
- Avila Beach (CDP), San Luis Obispo County, California1 objects
- Azcapotzalco, Mexico City, Mexico2 objects
- Baja California Sur, Mexico9 objects
- Baja California peninsula, Mexico32 objects
- Baja California, Mexico23 objects
- Barro area, Napa Valley, Napa County6 objects