Accounting /Army Board - Land Nav FM 3-25.26 Part 2

Army Board - Land Nav FM 3-25.26 Part 2

Accounting25 CardsCreated about 1 month ago

This deck covers key concepts from the Army Board's Land Navigation Field Manual, focusing on map reading and interpretation skills.

What are Geographic maps?

Maps that give an overall idea of the mapped area in relation to climate, population, relief, vegetation and hydrography.
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Key Terms

Term
Definition
What are Geographic maps?
Maps that give an overall idea of the mapped area in relation to climate, population, relief, vegetation and hydrography.
What are tourist roadmaps?
Maps of a region in which the main means of transportation and areas of interest are shown.
What are City/Utility Maps?
Maps of urban areas showing streets, water ducts, electricity and telephone lines, and sewers.
What are Field Sketches?
Preliminary drawings of an area or piece of terrain.
What are Aerial Photographs?
They can be used as supplements or substitutes to help you analyze the terrain, plan your route or guide your movement. (photos taken from above, via ...
Where would you find useful information that will help you read a map?
In the Marginal Information.

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TermDefinition
What are Geographic maps?
Maps that give an overall idea of the mapped area in relation to climate, population, relief, vegetation and hydrography.
What are tourist roadmaps?
Maps of a region in which the main means of transportation and areas of interest are shown.
What are City/Utility Maps?
Maps of urban areas showing streets, water ducts, electricity and telephone lines, and sewers.
What are Field Sketches?
Preliminary drawings of an area or piece of terrain.
What are Aerial Photographs?
They can be used as supplements or substitutes to help you analyze the terrain, plan your route or guide your movement. (photos taken from above, via UAV, Cessna, or Satellite.)
Where would you find useful information that will help you read a map?
In the Marginal Information.
Where will you find information about the symbols found on a map?
In the Marginal Information
What should a soldier do prior to using a particular map?
Read the instructions
Where will you find the sheet number of a map?
In bold print in BOTH the upper right and lower left areas of the margin, and in the center box of the adjoining sheets diagram which is found in the lower right margin.
Where will you find the series name of a map?
In the SAME bold print as the sheet number, upper left corner of the margin.
Where will you find the scale of a map, and what does it represent?
In the upper left margin, after series name, and in the center of the lower margin, and it a representative fraction that gives the ratio of a map distance to the corresponding distance on the earth's surface.
Where will you find the series number of a map?
In both the upper right margin, and the lower left margin
Where will you find edition number of a map?
In bold print in the upper right area of the top margin and the lower left area of the bottom margin.
Where will you find the index to boundaries of a map, and what does it represent?
The index to boundaries diagram (which is a miniature of the map) appears in the lower or right margin of all sheets, shows the boundaries that occur within the map area such as county lines and state boundaries.
What is the adjoining sheets diagram of a map, and what does it represent?
It consists of as many rectangles representing adjoining sheets as are necessary to surround the rectangle that represents the sheet under consideration.
Where will you find the elevation guide of a map, and what does it represent?
In the lower right margin, and it is a miniature characterization of the terrain shown.
Where will you find the declination diagram of a map, and what does it represent?
In the lower margin of large scale maps and indicates the angular relationships of true north, grid north and magnetic north.
Where will you find the bar scales of a map and what does it represent?
In the center of the lower margin, and they are rulers used to convert map distance to ground distance. Maps have three or more bar scales, each in a different unit of measure.
Where will you find the contour interval note of a map, and what does it represent?
In the center of the lower margin, normally below the bar scales. It states the vertical distance between adjacent contour lines of the map.
Where will you find the spheroid note of a map and what does it represent?
In the center of the lower margin. Spheroid (ellipsoids) have specific parameters that define the X, Y, and Z axis of the earth.
Where will you find the grid note of a map, and what does it represent?
In the center of the lower margin, it gives information pertaining to the grid system used, and the interval between grid lines, and it identifies the UTM grid zone number.
Where will you find the spheroid note of a map and what does it represent?
Center of the lower margin. Spheroids (ellipsoids) have specific parameters that define the x y z axis of the earth.
Where will you find the grid note of a map? What does it represent?
A grid note is found center of the lower margin. It gives information pertaining to the grid system used and the interval between grid lines. It defines the 'UTM' grid zone number.
Where will you find the projection note of a map?
Center of the lower margin.
Where will you find the vertical datum note of a map, and what does it represent?
Center of the lower margin, and the vertical control datum is defined as 'any level surface (sea level) taken as a surface of reference from which to determine elevations'.