What is a datum line in geography?

What is a datum line in geography?A datum (plural datums or data) is a reference point from which measurements are made. In surveying and geodesy, a datum is a set of reference points on the Earth’s surface against which position measurements are made. Horizontal datums are used for describing a point on the Earth’s surface in latitude and longitude or another coordinate system. Vertical datums measure elevations or depths.

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Narali Purnima: Hindus Coconut Festival

Narali Purnima: Hindus Coconut Festival

Narali Purnima: The Hindu festival of Narali Purnima or the Coconut festival is celebrated with …

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  1. What is a secondary datum line