Collection place
- 2 mile radius of east end of Walnut Ave., Santa Rosa, Sonoma County3 objects
- 2 miles east of Buena Vista, Los Cabos municipality, Baja California Sur1 objects
- 4 miles west of La Rumorosa, Sierra de Juarez mountains, Baja California3 objects
- 45KL242, Klickitat County, Central Washington26 objects
- 45KL424, Klickitat County, Central Washington2 objects
- AZ-Silver Cr-NL- 4 (Flakes' Ruin), Navajo County, Arizona1 objects
- Abraham, Millard County, Utah9 objects
- Acari valley, Arequipa Region, Southern Peru44 objects
- Adams County, Ohio1 objects
- Affiliated Colleges, San Francisco, San Francisco County1 objects
- Africa69 objects
- Aguanga Valley, Riverside County, California2 objects
- Aguaruto, Culiacan Valley, Sinaloa1 objects
- Alabama13 objects
- Alameda County, California80 objects
- Alameda, Alameda County, California1 objects
- Alamo, Contra Costa County, California16 objects
- Alaska116 objects
- Albuquerque, Bernalillo County, New Mexico1 objects
- Aleutian Islands, Alaska5 objects