Height clues on a map

This height clue is in the form of

• a trig beacon

• contour lines

• a spot height

• a benchmark

This height clue is in the form of

• a trig beacon

• contour lines

• a spot height

• a benchmark

This height clue is in the form of

• a trig beacon

• contour lines

• a spot height

• a benchmark

This height clue is in the form of

• a trig beacon

• contour lines

• a spot height

• a benchmark

The elevation of the lowest contour line on this map is ________ metres.

The elevation of the highest contour line on this map is ________ metres.

The number of this trig beacon is __________

The elevation of this trig beacon is _____.