Write short note on compound levelling?

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written 7.3 years ago by

teamques10 ★ 70k

• modified 7.2 years ago

Differential levelling or fly levelling is used when it is required to find the difference in elevation between the two points having considerable distance between them.

This method is adopted for the following two cases:

1. When the difference in elevation between the two points is much more.

2. When …

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