In his review of The Missouri , Allan Nevins noted its theme of tremendous scope: "The Missouri was the river of Lewis and Clark, of Manuel Lisa, General Ashley, and other organizers of the fur trade; of such noted travelers as George Catlin, Henry R. Schoolcraft, and Prince Maximilian; of a host of adventurous steamboat captains; of explorers like Jedediah Smith, Kit Carson, and Fr?mont; of doughty hunters and trappers like Hugh Glass, Jim Bridger,...