The Chisholm Trail, traveled by Texas longhorn cattle moving northward across present-day Oklahoma to Kansas, was named for mixed-blood Cherokee Jesse Chisholm (1805-1868). Though Chisholm's prominence in western lore rests largely on this connection, he was active on the frontier long before the naming of the trail. Because he left no diaries, letters, or personal documents, however, his life has been shrouded in mystery. Drawing from many sources,...