What do the colors mean on a military map?
Brown – Identifies all relief features and elevation, such as contours on older edition maps , and cultivated land on red-light readable maps . Red – Classifies cultural features, such as populated areas, main roads, and boundaries, on older maps . Other – Occasionally other colors may be used to show special information.
How are military maps categorized?
ground distance Defense Mapping Agency maps are classified by scale into three categories . They are small-, medium-, and large-scale maps (Figure 2-1). The terms “small scale,” “medium scale,” and “large scale” may be confusing when read in conjunction with the number.
What are the basic skills of map reading?
Map reading skills Choosing the right map. Understanding map symbols. Understanding contour lines. Taking a 4-figure grid reference. Taking a 6-figure grid reference. How to use a compass. Taking a compass bearing. Understanding magnetic north.
How do you read a simple map?
Step 3 – Put The Map Into Practice Point Your Map North. To point your map north, place your compass flat on your map , pointing towards the top, and rotate yourself until the compass’ needle points north. Find Your Location On The Map . Reading Contour Lines. Identify Features Of The Landscape. Thumbing.
How do you read a 4 digit grid?
The number of the vertical grid line on the left (west) side of the grid square is the first and second digits of the coordinates. The number of the horizontal grid line on the bottom (south) side of the grid square is the fourth and fifth digits of the coordinates.
How close will a 10 digit grid get you?
The confusion comes in when soldiers try to use a map to get a 10-digit grid coordinate, which equates to a 1 meter precision. A 1:50,000 scale map is only accurate to 50m 90% of the time so a 6 digit ( 100m precision) or an 8 digit (10m precision) are more appropriate.
How accurate is a six figure grid reference?
Six figure grid references are commonly used for topographic maps with a scale of 1:50,000. On a 6 – figure grid reference the last digit refers to a tenth of the distance between the 1km grid reference lines, so the reference is only accurate to within 100 metres.
What are the 6 colors on a military map?
There are five different colors on a military map: Brown , Red , Blue , Black , and Green . Colors are used to make the map easier to read. Some maps add an additional color to make the map readable in the dark.
What are the five basic colors found on a military map?
Terms in this set ( 5 ) Black. Stands for man made objects. Brown. Stands for contour, elevation, and relief. Blue. Stands for water. Green. Stands for vegetation. Red. Stands for densely populated areas and other man made objects.
What are the 3 Norths on a military map?
When working with a map and compass there are usually three different norths to be considered: True North , Grid North and Magnetic North .
What are military maps called?
A military city map is a topographic map (usually at 1:12,550 scale, sometimes up to 1:5,000), showing the details of a city. It delineates streets and shows street names, important buildings, and other elements of the urban landscape important to navigation and military operations in urban terrain.
What are 3 types of contour lines?
There are 3 kinds of contour lines you’ll see on a map : intermediate, index, and supplementary. Index lines are the thickest contour lines and are usually labeled with a number at one point along the line. Intermediate lines are the thinner, more common, lines between the index lines .
What are the 5 major terrain features?
The five major terrain features are: Hill, Ridge, Valley, Saddle, and Depression. The three minor terrain features are: Draw, Spur and Cliff. The two supplementary terrain features are: Cut and Fill.