The United States was a mere 28 years old by the time Meriwether Lewis, William Clark, and the Corps of Discovery were working their way up the Missouri River. In 1804, the men were nearing present-day Doniphan, Kansas. They spotted a stream on the Kansas side of the river, and as Clark writes: “as this Creek has no name, and this day is the 4th of July, we name this Independence us. [U.S.] Creek.” That night, they camped at a spot which Clark called “one of the most butifull [beautiful] Plains, I ever Saw.” They would dub the area “Joe...