Land Nav Flashcards
Land Navigation FM
FM 3-25.26
Major terrain features
Hill Valley Ridge Saddle Depression
Minor terrain features
Spur
Draw
Cliff
Supplementary terrain features
Cut
Fill
Contour Lines
Lines on a map connecting equal elevation, representing high and low ground elevation
Types of contour lines
Index
Intermediate
Supplementary
Azimuth
Horizontal angle, measured in a clockwise manner from a north base line, expressing direction
Intersection
Finding the location of an unknown point by sighting two or more known points
Resection
Locating one position on a map by determining the grid azimuth to at least two well-defined locations that be pinpointed on the map
Black
Man made features
Red-brown
Relief features/contour lines
Blue
Water feature
Green
Vegetation with military significance
Brown
Relief features/Contours on older maps
Red
Populated areas and main roads
