Ron Thill: Painted Canyon from Visitor Center along I-94 - - Theodore Roosevelt National Park, ND/06
Ron Thill: Painted Canyon from Visitor Center along I-94 - - Theodore Roosevelt National Park, ND/06
Ron Thill: Theodore Roosevelt National Park (Southern Unit) from Buck Hill - - Theodore Roosevelt National Park, ND/06
Ron Thill: Little Missouri River from Wind Canyon Trail - - Theodore Roosevelt National Park, ND/06
Ron Thill: Bison crossing the Little Missouri River below Wind Canyon Trail - - Theodore Roosevelt National Park, Medora, ND/06
Ron Thill: Little Missouri National Grasslands north of dirt road into Buffalo Gap Guest Ranch and RV Park - - Medora, ND/06
Ron Thill: Badlands north of Wind Canyon Trail - - Theodore Roosevelt National Park, Medora, ND/06
Ron Thill: Unplowed Prairie - - Buck Hill, Southern Unit Theodore Roosevelt National Park, ND/06