photogrammetry
verma sir
Total Station and its application in Mine Surveying
MODERN_SURVEY_INSTRUMENTS_AND_THEIR_USE_IN_MINE_SURVEYING[1]
GPS
mechanized shaft sinking
![MODERN_SURVEY_INSTRUMENTS_AND_THEIR_USE_IN_MINE_SURVEYING[1]](https://static.fdocuments.net/doc/330x215/568c364a1a28ab02359780b6/modernsurveyinstrumentsandtheiruseinminesurveying1.jpg)
