Chapter 1 General Flashcards
This publication is intended for the use of all map users, however its primary purpose is to provide instructors in map reading with a comprehensive book of reference. The publication covers only the factual information common to most maps, leaving the full understanding of map reading to be attained by practical instruction and by personal experience. To be truly effective, much of the instruction must be conducted on the ground.
What is the basic requirement of
map reading?
The full understanding of the information shown on the map.
The reading of map information includes the ability to_________.
Locate and to give map references,
the understanding of scales and the use of them for measurements, position findings and the
description and navigation of routes by day or by night.
Mapcraft
The ability to obtain from the map a mental picture of the ground portrayed.
Under this system Canada is divided into numbered
quadrangles each 4° latitude by 8° longitude (16° longitude
north of 80°).
The National Topographical System
In regards to the The National Topographical System figure 1-2:
What is 54?
54 is a primary quadrangle and denotes a map
of the 1:1 000 000 series.
In regards to the The National Topographical System figure 1-2:
What is 54 S W?
54 S W is a quarter of a primary quadrangle
and denotes a map of the 1:500 000 series.
In regards to the The National Topographical System figure 1-2:
What is 54 H
54 H is a lettered quadrangle and denotes a
map of 1:250 000 series. South of 68° maps
are one- sixteenth of a primary quadrangle
and lettered A to P. North of 68° maps are
one-eighth of a primary quadrangle and
lettered A to H.
In regards to the The National Topographical System figure 1-2:
What is 54 A/N.E?
54 A/N.E is a quarter of a lettered
quadrangle-denotes a map of 1:125 000
series.
In regards to the The National Topographical System figure 1-2:
What is 54 A/8A?
54 A/8A is a sixteenth of a lettered
quadrangle and denotes a map of 1:50 000
series.
In regards to the The National Topographical System figure 1-2:
What is 54 A/8a?
54 A/8a, denotes a map of the 1:25 000
series, which is one-eighth the area of a 1:50
000 quadrangle and is identified by a
lowercase letter suffix.
T/F Some 1:50 000 scale maps were produced as two map sheets an East half and a West half
Topographical Map Coverage International.
True
T/F Maps of the World at the scale of 1:1 000 000 are not complete
True
T/F Maps of the World at the scale of 1:1 000 000 are complete
False
T/F From the lines and symbols on a map it is relatively simple to gain a mental picture of
natural detail, such as woods and streams, and man-made objects like roads and buildings.
True
T/F Real mapcraft, however, lies in the ability to visualize the shape of the ground, which is shown on the map by contours and spot heights.
True