Boundary monument 429
| boundary marker
USA /
Montana /
Harlem /
World
/ USA
/ Montana
/ Harlem
World / United States / Montana
boundary marker
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Coordinates: 48°59'57"N 108°55'50"W
- Boundary monument 605 407 km
- Boundary monument 613 426 km
- Boundary monument 614 429 km
- Boundary monument 617 437 km
- Montana-North Dakota-South Dakota Tripoint 500 km
- Idaho - Montana - Wyoming border Tri-point 529 km
- Nebraska-Wyoming-South Dakota Tripoint 766 km
- ID-UT-WY Tri-Border Point 796 km
- First rapids of the Saint Louis River (boundary of Wisconsin and Minnesota) 1267 km
- State Line Marker 1485 km
- R.M. Frontier No. 019 17 km
- R.M. White Valley No. 049 54 km
- R.M. Reno No. 051 55 km
- R.M. Arlington No. 079 76 km
- R.M. Grassy Creek No. 078 81 km
- R.M. Val Marie No. 017 86 km
- R.M. Maple Creek No. 111 (part 1) 101 km
- R.M. Carmichael No. 109 104 km
- R.M. Bone Creek No. 108 105 km
- R.M. Piapot No. 110 112 km