Which of the following survey methods were used by the Geographers before the twentieth century?

Clinometer

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Theodolite

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Satellites

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Prismatic compass

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Solution

The correct option is D Prismatic compass
Geographers used chains, prismatic compass, plane table, dumpy level, abney level, clinometer, theodolite, total station to survey an area. The techniques and methods of survey evolved with time. The twentieth century saw a key development in space technology, and this started the use of satellites to survey lands.

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