How Do You Read A Topographic Map Color?

How Do You Read A Topographic Map Color? RED -Overprinted on primary and secondary roads to highlight them. … BLACK -Manmade or cultural features. BLUE -Water-related features. BROWN -Contour lines and elevation numbers. GREEN -Vegetation features. WHITE -Sparse or no vegetation. … PURPLE -Denotes revisions that have been made to a map using aerial photos.