21:48

Determination of reduced levels || Rise and fall method

21:18

Compass Surveying- To Find Interior Angle Of Closed Traverse

20:43

4.7 Compass Surveying: Local Attraction Correction by Interior Angles Method

11:51

Local Attractions Easiest method

11:15

4.6 Compass Surveying: Local Attraction Correction by Bearings (Complete Numerical)

14:13

Compass Surveying - Problem No 3 ( Included Angles & Error Correction of a Closed Traverse )

11:48

Survey, finding local attraction and correction

13:36

Local Attraction Problem in Compass Surveying | Detection of Local Attraction