- Northwest Mexico5 objects
- Site 100 (Massey), Comondú region, Comondú Municipality, Baja California Sur5 objects
- NV-Ch-35 (Humboldt Cave), Churchill County, Nevada4 objects
- Yavapai County, Arizona3 objects
- Apache County, Arizona2 objects
- New Mexico2 objects
- Northeastern Arizona2 objects
- Verde Valley, Yavapai County, Arizona2 objects
- Western New Mexico2 objects
- Amador County, California1 objects
- Aztec, San Juan County, New Mexico1 objects
- CA-Ama-3 (Bamert Cave), Amador County, California1 objects
- CA-Iny-377, Lone Pine (CDP), Inyo County1 objects
- CA-SBa-205, Santa Barbara County, California1 objects
- Canyon de Chelly, Apache County, Arizona1 objects
- Catron County, New Mexico1 objects
- Eastern California1 objects
- Grand Gulch #9, San Juan County, Southern Utah1 objects
- Hancock Ranch Cliff Dwelling, Yavapai County, Arizona1 objects
- Humboldt Lake region, Churchill County, Nevada1 objects