100 Days 48 States

NORTH DAKOTA

Fort Union Trading Post NHS Williston, ND
The fort is on route 1504 about 25 miles southwest of Williston. The stamp is inside the visitor center. They should also have a Lewis & Clark NHT stamp.
Knife River Indian Villages NHS Stanton, ND
The site is 1/2 mile north of Stanton on route 37. You'll find the stamp next to the information desk in the visitor center. There is a Lewis & Clark stamp here as well.
Theodore Roosevelt NP - North Unit Watford City, ND
Theodore Roosevelt National Park has three visitor centers. The North Unit is on US-85, halfway between Grassy Butte and Watford City.
Theodore Roosevelt NP - Painted Canyon Painted Canyon, ND
The Painted Canyon Visitor Center is at exit 32 of I-94 in the southwest corner of North Dakota. This stamp is at the information desk.
Theodore Roosevelt NP - South Unit Medora, ND
The historic town of Medora can be reached from I-94, from exit 24 or exit 27. This stamp is just inside the door of the visitor center.