The North Platte River runs the entire length of Nebraska, almost right through the center of the state. It’s a braided stream, a river or stream with many intertwined channels separated by islands or sandbars, so it looks somewhat like the strands of a braid. The folks heading west followed the main channel of the river, where there was grass for the oxen and mules, water for everyone, and fairly flat going. The government built Fort Kearny along the North Platte fairly early—1848, my guidebook tells me—to help protect the travelers along the Oregon and California Trails. Fun fact, both of those were the same trail until far western Wyoming, and they were on the south side of the river. When the Mormons started heading west to Salt Lake City, they walked with handcarts along a trail on the north side of the river, a route that was called the Mormon Trail, and met up with the other two trails around what’s now the border of Nebraska and Wyoming. North Platte River in Nebraska The tow...