map reading

map

it a graphic representation of a portion of the earths surface drawn to scale, as seen from the above

it uses colors, symbols and labels to represent features found on the ground

planimetric map

presents only the horizontal positions for the features represented

topographic map

portrays terrain features in a measurable way (usually through use of contour lines)

shows both horizontal and vertical positions of the features represented topographic maps

photomap

a reproduction of an aerial photograph upon which grid lines, marginal data, place names, route numbers, important elevations, boundaries and approximate scale and direction have been added

joint operations graphics

maps based on the format of standard 1:250,000 medium scale military topographic maps that contain additional information needed in joint air ground operations

terrain model

a scale model of the terrain showing features and in large scale models showing industrial and cultural shapes

photomosaic

an assembly of aerial photographs

military city map

A topographic map (usually at 1:12,550 scale, sometimes up to 1:5,000), showing the details of a city

special maps

maps for special purposes such as trafficability, communications and assault maps

marginal information

are informations and instructions written on the outer edge of the map

general tinio

sheet name title of the map and is named after the largest geographical area presented

7273 IV

sheet number used as a reference number for the map sheet

series name

usually includes a group of similar maps at the same scale and on the same sheet lines or format designed to cover a particular geographic are the name given to the series is generally of a major political subdivision

map scale

a representative fraction that gives the ration of a map distance to the corresponding distance on the earth surface

series number

it is a sequence reference expressed either as a four digit numeral or a letter followed by a three or four digit numeral

edition number

editions are numbered consecutively the highest numbered sheet is the most recent

index to boundaries

is a miniature of the map that shows the boundaries occur within the map area, such as provincial and city boundaries

grid note

gives information pertaining to the grid system used and the interval between griid lines, and it identifies the utm grid zone number

projection note

is the framework of the map

red

depicts classification of roads, built up areas and special features

blue

water features

green

represents vegetation

black

represents man-made objects

brown

depics relief and elevation such as contours on older maps

military symbols

used to represent military features such as identity, size, location, and movement for troops and military activities and installations