The Last American Frontier

advance agents already American Arkansas army authority bands became began believed bill Black brought California called camps carried Cheyenne chiefs City civilization Colorado command Commissioners Congress construction Creek crossed danger Denver Department early east eastern emigrants existence fight followed force Fort frontier gave gold Governor grant hands hundred increased Indian Iowa Kansas Lake lands later less March ment Mexico Michigan miles military mining Mississippi Missouri Mormons mountains never northern officers once opened Oregon organized overland Pacific party passed peace plains Platte population railroad railway reached remained reserve result River road route Santa Fé Senate sent settlement Sioux southern spring started survey territory Texas tion trade trail treaty tribes Union United Valley village wagons Washington West western whole