TY - BOOK AU - Agor, R. TI - Text Book of Advanced Surveying SN - 8174090533 U1 - 526.9 PY - 2010/// CY - New Delhi PB - Khanna KW - Surveying KW - Tunnel and Mining Surveying KW - Land Surveying N1 - 1.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 ER -