Colorado : with sectional map of adjoining states / [prepared for] Texaco.Rand McNally and Company[1942]."X 3805" in lower right of Colorado map and "X.4113(N)" in lower right of Sectional trip map.Includes index, 4 local route maps, distance table, and text.Panel title.Relief shown pictorially and by spot heights.Texaco touring map of Colorado -- Texacocartographic