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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Danavulapadu Jain Temple is an ancient Jain center located in Danavulapadu village, within the Jammalamadugu …
What is a secondary datum line