Boundary monument 521A

USA / Montana / Opheim /

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Coordinates: 48°59'58"N 105°56'46"W

Boundary monument 605 190 km
Boundary monument 613 208 km
Boundary monument 614 211 km
Boundary monument 617 219 km
Montana-North Dakota-South Dakota Tripoint 369 km
Idaho - Montana - Wyoming border Tri-point 636 km
Nebraska-Wyoming-South Dakota Tripoint 683 km
ID-UT-WY Tri-Border Point 874 km
First rapids of the Saint Louis River (boundary of Wisconsin and Minnesota) 1051 km
State Line Marker 1281 km

161 km
189 km
349 km
365 km
372 km
456 km
465 km
475 km
561 km
683 km

R.M. Old Post No. 043 R.M. Willow Bunch No. 042 R.M. Waverley No. 044 R.M. Stonehenge No. 073 R.M. Bengough No. 040 R.M. Excel No. 071 R.M. Mankota No. 045 R.M. Terrell No. 101 R.M. Gravelbourg No. 104 R.M. Glen Bain No. 105