sentences:  The chiefs would allow free passage for European Americans along the routes through Shoshone country, establishment of US military posts and rest stations for travelers and for mail and telegraph companies, continued operation of telegraph and stage lines, and construction of a railway passing through their country from the Plains to the Pacific Ocean.They would also allow prospecting for gold, silver or other minerals, mining of any deposits found, formation of mining and agricultural settlements and ranches, erection of mills and logging of timber.When the President of the United States should "deem it expedient for them to abandon the roaming life," they agreed to become herdsmen or agriculturalists on reservations that would be assigned to them.