Any one can please explain what is back sight in surveying?
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Any one can please explain what is back sight in surveying?
The leveling staff held at a point of known elevation and the staff reading taken on a point of known elevation, is called back sight. Back sight is the first staff reading after the staff instrument is set up, It is also known as +ve sight.
The leveling staff held at a point of known elevation and the staff reading taken on a point of known elevation, is called back sight. Back sight is the first staff reading after the staff instrument is set up, It is also known as +ve sight.
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