The Emigrant Trail in Wyoming, which is the path followed by Western pioneers using the Oregon, California, and Mormon Trails, spans 400 miles through the U.S. state of Wyoming. The trail entered from

Fort Caspar was a military post of the United States Army in present-day Wyoming, named after 2nd Lieutenant Caspar Collins, a U.S. Army officer who was killed in the 1865 Battle of the Platte Bridge