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A military map portrays terrain features in a measurable way, as well as the horizontal positions of the features represented. The ability to identitfy terrain features will greatly improve your abilities to navigate through varying terrain. Good knowledge of terrain features will also provide for better land navigating with minimal equipment necessary. Green: Green identifies vegetation with military significance such as woods, orchards, and vineyards. Brown: Brown identifies all relief features and elevation such as contours on older edition maps and cultivated land on red-light readable maps. Black: Black indicates cultural (man-made) features such as buildings and roads, surveyed spot elevations, and all labels. Red: Red classifies cultural features, such as populated areas, main roads, and boundaries, on older maps. Blue: Blue identifies hydrography or water features such as lakes, swamps, rivers,and drainage. In this lesson, you will receive fundamental training on identifying terrain feature on a military map.A  This lesson will cover the four major terrain features, three minor terrain features, and two supplemental terrain features.



Because a map is a graphic representation of a portion of the eartha€™s surface drawn to scale as seen from above, it is important to know what mathematical scale has been used. A six digit grid coordinate enables you to plot an area point on the map that is accurate to 100 meters. Using the Grid 897026 underline the digits that make up a 4-digit grid coordinate (897026).
Now place the protractor on your map with the horizontal and vertical zeros at the cross-section of the 4-digit grid coordinate you just underlined. Then count upward on the vertical edge until you reach the number that matches the 6th digit.
On maps showing relief, the elevations and contours are measured from a specific vertical datum plane, usually mean sea level. With the use of terrain association (matching the terrain around you to the terrain shown on a map) you can easily navigate with out the need of a compass or GPS (Terrain Association will not be taught in this lesson). Profile drawings of mountains and hills were shown in brown, rivers and lakes in blue, vegetation in green, roads in yellow, and special information in red. You will have 20 minutes to locate five major terrian features, three minor terrain features, and two supplimental terrain features.


You must know the scale to determine ground distances between objects or locations on the map, the size of the area covered, and how the scale may affect the amount of detail being shown. The first part represents the number moving to the right and the second part represents the number moving up the map. To do this we slide the protractor to the right along the horizontal grid line until the number on the cut out that matches the 3rd digit (7) lines up with the grid line identified by the first two digits (89). A look at the legend of a modern map confirms that the use of colors has not changed much over the past several hundred years. This practical exercise is designed to exercise your skills in identifying terrian features on a map. The mathematical scale of a map is the ratio or fraction between the distance on a map and the corresponding distance on the surface of the earth. To facilitate the identification of features on a map, the topographical and cultural information is usually printed in different colors.



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