Collection place
- North America27 objects
- The Americas27 objects
- Baja California peninsula, Mexico19 objects
- Baja California, Mexico19 objects
- Mexico19 objects
- Northern Mexico19 objects
- Northwest Mexico19 objects
- Laguna Salada, Baja California, Mexico13 objects
- Mexicali municipality, Baja California, Mexico13 objects
- North end of Laguna Salada, Baja California, Mexico11 objects
- Site 21 (Treganza), Laguna Salada, Baja California9 objects
- California8 objects
- United States8 objects
- Southern California7 objects
- San Diego County, California6 objects
- Sierra de Juarez mountains, Tecate municipality, Baja California6 objects
- Tecate municipality, Baja California, Mexico6 objects
- Cave in east side of Sierra de Juarez mountains 30 miles south of border, Tecate municipality, Baja California4 objects
- Dunes at northern end of Laguna Salada, Mexicali municipality, Baja California2 objects
- Jacumba Valley, San Diego County, California2 objects