Collection place
- North America147 objects
- The Americas147 objects
- United States147 objects
- Northeastern United States80 objects
- West Virginia80 objects
- Wood County, West Virginia80 objects
- Nevada41 objects
- Nye County, Nevada28 objects
- California24 objects
- CA-Fre-115, Fresno County, California12 objects
- Central California12 objects
- Fresno County, California12 objects
- South Central California12 objects
- Lincoln County, Nevada9 objects
- CA-LAn-24, Topanga Canyon, Los Angeles County6 objects
- Los Angeles County, California6 objects
- NV-Ny-1275, Nye County, Nevada6 objects
- Santa Monica Mountains, Los Angeles County, California6 objects
- Southern California6 objects
- Topanga Canyon, Santa Monica Mountains, Los Angeles County6 objects