Topographic maps Flashcards
1
Q
What are contour lines and how do you find the contour distance?
A
Contour lines are lines joining points of the same height.
You find the contour distance by finding the difference in height between two contour lines.
2
Q
(4-figure/6-figure grid reference)
Nothing or easting first
A
Easting first, northing next
3
Q
How do you find the straight-line distance from one point to another?
A
Use a ruler and measure the distance between the two features.Then, multiply the measurement on the ruler by the actual distance it represents.
4
Q
How do you measure compass bearings?
A
A compass bearing is measured at an angle clockwise from the north.(North-0 degrees,Northeast-45 degrees)