Map Reading & Land Navigation Flashcards
What’s the purpose of a map?
Provide accurate information for: Location Distance between features Populated areas Routes of travel Communication
FM covers map reading and land navigation?
FM 3-25.26
Name the different types of maps
Topographic
Planimetric
Photo
Terrain model
Where is the map sheet name found?
Center of upper margin &
Right or left side of lower margin
Where is the scale of a map found?
Upper left margin & lower margin at center
What is a declination diagram?
It shows the angular relationships of true north, grid north and magnetic north
What are the 3 units of measure in a bar scale?
Meters
Statute miles
Nautical miles
Where is the legend located?
Lower left margin
Name & describe the 5 colors used in a map
- Black- man made features
- Blue- water
- Green- vegetation w/ military significance
- Brown- relief features/elevation/contour lines
- Red- cultural features/populated areas/main roads/boundaries
Where is the prime meridian?
Greenwich, England
What type of map does the US Military use?
UTM
Universal Transverse Mercator
What part of the world is the UTM designed for?
Between Lat. 84 degrees North &
Lat. 80 degrees South
Basic rule for reading a map
Start at bottom left
Read right, then up
How close will you get with an 8 digit coordinate?
Within 10 meters
3 types of contour lines?
Index
Intermediate
Supplementary