Card Set Information
What FM covers map reading and land navigation?
What is a map?
A graphic representation of the Earth's surface drawn to scale as seen from above
How many map scales are there?
Three: small, medium, and large
Name four types of maps
Topographic, planimetric, photomap, terrain model
What is marginal information?
Information about the map's use, size, and area
Where is the map sheet name found?
Center of upper margin, and either left or right side of lower margin
What is a declination diagram?
It shows the angular relationships of true north, grid north, and magnetic north
What colors are found on a map?
Black, blue, green, brown, and red
What do the colors on a map stand for?
Black - Indicates man-made feature, such as buildings and roads
Blue - Identifies water features
Green - Vegetation
Brown - Identifies all relief features and elevation, as well as contour lines on older maps
Red - Indicates populated areas
What type of map system does the US military use?
The Universal Transverse Mercator (UTM)
How close will you get to a location with a 6-digit coordinate?
How close will you get to a location with a 8-digit coordinate?
How close will you get to a location with a 10-digit coordinate?
Name three types of contour lines
Index, intermediate, and supplementary
Name the five major terrain features on a map
Hill, ridge, valley, saddle, ridge, and depression
Name the five minor terrain feature on a map
Draw, spur, cliff, cut, and fill
What are the two most commonly used compasses in the Army?
Lensatic and artillery
How many degrees are on a compass?
What are two methods for holding a compass?
The centerhold technique and compass to cheek technique
Define magnetic declination
The variation of the true north from the magnetic north