Note: Purple can be used to show information added over the original map detail (updates). Grey: on the back of the map for a glossary of terms, and abbreviations.Army Garrison Fort Carson in 1978 and on the Piñon Canyon Maneuver Site in 1983. Department of the Army, began a hydrologic data collection network on the U.S.
Geological Survey, in cooperation with the U.S. On a polychrome map, each feature is represented by a colour. 1:50 000 National Topographic System map sample - 058F11 Resolute, Nunavut Feature types on a polychrome topographic map
