6 entries match your criteria.
Related Historical Markers
By William Fischer, Jr., September 25, 2026
Precambrian Era Marker
SHOWN IN SOURCE-SPECIFIED ORDER
1 ► South Dakota, Fall River County, Hot Springs — Precambrian Era — ~4.5 billion to 540 million years ago —  |
| On no nearby street. | |||
| 2 ► South Dakota, Fall River County, Hot Springs — Paleozoic Era — ~540 to 250 million years ago — |
| Near no nearby street. | |||
| 3 ► South Dakota, Fall River County, Hot Springs — Paleozoic-Mesozoic Era — ~252 million years ago — |
| Near no nearby street. | |||
| 4 ► South Dakota, Fall River County, Hot Springs — Late Mesozoic Era — ~100 million years ago — |
| Near no nearby street. | |||
| 5 ► South Dakota, Fall River County, Hot Springs — Mid-Cenozoic Era — ~35 million years ago — |
| Near no nearby street. | |||
| 6 ► South Dakota, Fall River County, Hot Springs — Pleistocene Epoch — 140,000 years ago — |
| Near no nearby street. | |||