1
Q
AR?
A
Area Reference
2
Q
Along the corridor
A
Up the stairs
3
Q
GR
A
Grid reference.
4
Q
What do contour lines mean?
A
Height above sea level.
5
Q
A.S.L
A
Above sea level.
6
Q
Eastings?
A
- run parallel up and down (east to west)
7
Q
Northings?
A
- run parallel across the map
- north to south
