Q.

Which of the following statement is correct?

A. In rocky areas and dense jungles, the trace cut may be avoided and some suitable arrangement may be made so as to gain access for ascertaining details.
B. Reconnaissance is best done by topographical surveys.
C. The detailed survey should be conducted for a strip covering on either side of the chosen centre line a width of about 15 m in case of straight stretches and 30 m in case of sharp curves.
D. all of the above
Answer» D. all of the above
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