Terminal Monument, North Dakota South Dakota boundary
historic site
- Built
- 1892
- Material
- quartzite
- Inscription
- ND, SD, MT, and “1892 T.M. 380 M. 45.35 C.” (380 miles, 45.35 chains from the initial monument).
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:00 | 18:29 | 19:09 |
| June solstice | 05:06 | 20:05 | 20:51 |
| September equinox | 06:44 | 18:16 | 18:56 |
| December solstice | 07:36 | 15:24 | 16:14 |
Local time (America/Denver).
45.94528, -104.04562
Elevation 930 m (modelled from terrain)