Colorado & Utah at 1:750, 000 from ITMB, with each state presented on one side of the map accompanied by an index of locations. Topography of these mountainous states is shows by altitude colouring & spot heights, both in feet. State highways give interchange numbers, locations of petrol stations are marked, & driving distances are shown on main & selected local routes. Railway lines are included & local airports are marked. Symbols indicate various facilities & places of interest including numerous campsites, Native American Areas, historic sites, etc. The maps have latitude & longitude lines at intervals of 1º. An enlargement at 1:300, 000 shows the Denver conurbation in greater detail. To see the list of ITMB road maps of USA please click on the series list.