There are various methods used to represent height in topography shee

1.	There are various methods used to represent height in topography sheet. Give a brief note on it.
Answer» Contour line — These are imaginary lines joining places having the same elevation above the sea level. Form lines — When it is difficult to measure the elevation of places through land surveys due to rugged terrain, the elevation is represented with the help of broken lines – These are form lines. Spot height — It represents the actual height of a place by recording the heights in digits beside a black dot. Triangulated height — Height of places estimated through trigonometric surveys are recorded is maps using symbols. Bench mark — The height of reservoirs and prominent buildings are recorded ‘along with the letters BM’.

There are various methods used to represent height in topography sheet. Give a brief note on it.

Answer»

Contour line — These are imaginary lines joining places having the same elevation above the sea level.

Form lines — When it is difficult to measure the elevation of places through land surveys due to rugged terrain, the elevation is represented with the help of broken lines – These are form lines.

Spot height — It represents the actual height of a place by recording the heights in digits beside a black dot.

Triangulated height — Height of places estimated through trigonometric surveys are recorded is maps using symbols.

Bench mark — The height of reservoirs and prominent buildings are recorded ‘along with the letters BM’.

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