The Latter-day saints' emigrants' guide : being a table of distances, showing all the springs, creeks, rivers, hills, mountains, camping places, and all other notable places, from Council Bluffs, to the valley of the Great salt lake : also, the latitude, longitude, and altitudes of the prominent points on the route : together with remarks on the nature of the land, timber, grass, &c. : the whole route having been carefully measured by a roadometer, and the distance from point to point, in English miles, accurately shown / by W. Clayton.