000			00858nam a2200217Ia 4500
005			20250107161254.0
008			160802s9999 xx 000 0 und d
020			_a8174090533
041			_aeng
082			_a526.9 _bAGO-A
100			_aAgor, R.
245			_aText Book of Advanced Surveying / _cby R. Agor
250			_a4th ed.
260			_bKhanna, _c2010. _aNew Delhi:
300			_axvi, 684 p.
505			_a1.Field astronomy -- 2.Triangulation-- 3.Theory of errors and adjustment-- 4.Hydrographic surveying-- 5.Photogrammetric surveying-- 6.Route surveys-- 7.Tunnel surveys -- 8.Topographical sheet numbering system-- 9.Electronic distance measurements-- 10.Modern surveying instruments-- 11.Practical problems.
650			_aSurveying
650			_aTunnel and Mining Surveying _963723
650			_aLand Surveying _963721
942			_cBK
999			_c2751 _d2751