Computer · Surveying
In compass surveying, isogonic lines are defined as:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The lines joining places of zero declination
- 2The lines joining places of equal dip
- 3The lines joining points of equal magnetic declination at the time of observation✓
- 4The lines joining places of zero dip
Correct answer
The lines joining points of equal magnetic declination at the time of observation
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