 and for years tried to hit that Montana area. But the Blackfeet Indian were not enthusiastic about them coming in and trapping and taking the furs away from there. So there was conflict, and it was very difficult to work up there. But in the 1820s, a group of mountain men led by Jet Smith came across country, came to the Green River Valley. They discovered tons of beaver here too, plus friendly Native Americans, friendly Shoshone Indians who wanted to trade with them.