Topography Flashcards
What are topographical maps?
These are large-scale maps that show both natural and manmade features.
How is the shape of the land shown in a topographical map?
Using contour lines.
What do contour lines show?
Shape of the land.
What is a contour line?
A contour line is an imaginary line connecting all points having the same height above sea level.
A topographical map shows the ___________ information of a __________ area.
detailed, small
A set of ____________ lines instead of latitudes and longitudes are provided to help locate a particular feature or a place.
arbitrary
How do the set of arbitrary line help in reading the map?
The set of arbitrary line help in locating the particular feature or a place.
What is the topographical map also called?
toposheet
What are eastings?
Lines on toposheets running from north to south
What are northings?
Lines on toposheets running from east to west.
Easting and northings cross each other to form a ___________.
Grid square
What is the reference point of a toposheet?
The extreme southwest or the bottom left square is the starting pint or reference point of a toposheet.