Collection place
- 1 mile east of Missouri Bend school, Lassen County, California2 objects
- 1 mile south of border, Jacumba Valley, Tecate municipality, Baja California1 objects
- 2 mile radius of east end of Walnut Ave., Santa Rosa, Sonoma County49 objects
- 45KL242, Klickitat County, Central Washington4 objects
- 45KL424, Klickitat County, Central Washington19 objects
- 8.5 miles east of Wupatki, Wupatki, Coconino County2 objects
- AZ-Silver Cr-NL- 4 (Flakes' Ruin), Navajo County, Arizona2 objects
- AZ-Silver Cr-NL- 5 (Four Mile Ruin No. 1), Navajo County, Arizona1 objects
- AZ-Silver Cr-NL- 9 (Shumway Ruin), Navajo County, Arizona1 objects
- Abilene area, Taylor County, Texas2 objects
- Abqaiq pipeline, Saudi Arabia1 objects
- Abqaiq, Saudi Arabia3 objects
- Abri de Laugerie Haute, Dordogne, France4 objects
- Abydos region, Upper Egypt1 objects
- Acoma, Cibola County, New Mexico1 objects
- Adamgarh Hills, Narmada valley, Madhya Pradesh1 objects
- Adamgarh S, Narmada valley, Madhya Pradesh1 objects
- Adams County, Ohio1 objects
- Adrar region, Mauritania3 objects
- Africa81 objects