गिबि फोरमानारि दावबायनायखौ खालामदों सासे जथाय हादरनि नोगोरारि आरो बिगुर फालांगिरि जन कलटारा, जाय लिविस आरो क्लार्क संदान्नायाव मन्टानाखौ बारलांदोंमोन, बेबायदिनो 1807 माइथायाव इयेलस्टन हादरखौ दिहुन्नो फैफिनदोंमोन।
The first documented visit was by a U.S. citizen and fur trapper, John Colter, who passed through Montana with the Lewis and Clark expedition, then returned to explore the Yellowstone country in 1807.