Map Reafing And Land Nav (FM 3-25.26) Flashcards
What is the Field manual for map reading and land navigation?
FM 3-25.26
What are the basic colors of a map, and what does each color represent?
- Black - Indicates cultural (man-made) features
- Red Brown - Cultural features, all relief features, non- surveyed spot elevations, and elevation.
- Blue - Water such as lakes, swamps, and rivers
- Green - Vegetation such as woods and vineyards
- Brown - Identifies all relief features and elevation, such as contours on older maps.
- Red - Populayed areas, main roads, and boundaries, on older maps
What are military symbols?
Figures used to represent types of military organizations, installations, and activities
Where is the legend on the map found?
Lower left margin
What are contour lines?
Imaginary lines on the ground connecting equal elevation, they represent high and low ground elevation.
What are 3 types of contour line?
- Index
- Intermediate
- Supplementary
How many norths are there on a military map?
Threw
- True north
- Magnetic north
- Grid north
What must be done to a map before it can be used?
It must be oriented
What are 5 major terrain features found on a map?
- Hill
- Ridge
- Valley
- Saddle
- Depression
What are 3 minor terrain features found on a military map?
- Draw
- Spur
- Cliff
What are 2 supplementary terrain features found on a military map?
- Cut
2. Fill
What is a Map?
A map is a graphic representation of a portion of the earth’s surface drawn to scale as seen from above.
What is an azimuth?
A horizontal angle, measured in a clockwise manner from a north base line, expressing direction.
What is vertical distance?
The distance between the highest and lowest points measured
What is the distance between grid lines on a combat map?
1 kilometers or 1000 meters
