map reading p2 Flashcards
It states the vertical distance between adjacent contour lines of the map
CONTOUR INTERVAL NOTE
Illustrates and identifies the topographic symbols used to depict some of the more prominent features on the map. The symbols are not always the same on every map.
LEGEND
REPRESENTS THE NATURAL AND MAN MADE FEATURES OF THE EARTH’S SURFACE
TOPOGRAPHIC SYMBOLS
COLORS USED IN CONVENTIONAL SIGNS:
depicts classification of roads, built-up areas & special features.
RED
COLORS USED IN CONVENTIONAL SIGNS:
Water Features (Hydrography)
BLUE
COLORS USED IN CONVENTIONAL SIGNS:
represents vegetation
GREEN
COLORS USED IN CONVENTIONAL SIGNS:
represents man-made objects, ie. Buildings, tower,etc
BLACK
COLORS USED IN CONVENTIONAL SIGNS:
depicts relief and elevation such as contours on older maps
BROWN
SYMBOLS USED TO REPRESENT MILITARY FEATURES SUCH AS IDENTITY, SIZE, LOCATION, AND MOVEMENT FOR TROOPS AND MILITARY ACTIVITIES AND INSTALLATIONS
MILITARY SYMBOLS
COLORS USED FOR MILITARY SYMBOLS:
ENEMY FORCES, ACTIVITIES AND INSTALLATIONS
RED
COLORS USED FOR MILITARY SYMBOLS:
FRIENDLY FORCES
BLUE
COLORS USED FOR MILITARY SYMBOLS:
ENGINEER ACTIVITIES
GREEN
COLORS USED FOR MILITARY SYMBOLS:
CONTAMINATED AREAS
YELLOW
A SERIES OF STRAIGHTLINES INTERSECTING AT RIGHT ANGLES FORMING SQUARES.
GRIDS
ONE OF THE OLDEST SYSTEMATIC METHOD OF LOCATION
EXPRESSED IN ANGULAR MEASUREMENT
GEOGRAPHIC COORDINATES
IS AN ANGLE MEASURED CLOCKWISE OR COUNTERCLOCKWISE FROM A NORTH OR SOUTH BASELINE
BEARING
AN ANGLE MEASURED CLOCKWISE BASED ON THE VERTICAL GRID LINES OF THE MAP
GRID AZIMUTH
determined by using magnetic instruments, such as lensatic and M-2 compasses.
MAGNETIC AZIMUTH
AZIMUTH MEASURED BASED FROM THE TRUE NORTH LINES ON THE GLOBE/MAP
TRUE AZIMUTH
a method of locating or plotting an unknown position from a known point by giving a direction and distance along that direction line
Polar plot
it is the reference or start point for vertical measurement of elevation on a standard military map
Datum Plane
is the vertical distance above or below mean sea level
Elevation
the representation of the shapes of hills, streams or landforms on the earth’s surface
Relief
The rate of rise and fall of the ground
SLOPE