Duggal,S K <br/><br/>
Surveying / 
S. K. Duggal 
 - [Place of publication not identifed] :  [publisher not identified],  c2009 
 - unnumbered pages ; 
<br/><br/>Includes index. 
<br/><br/>Trigonometric leveling -- Triangulation -- Theory of errors and triangulation adjustment -- Hydrography -- Aerial survey -- Remote sensing -- Geographic information system -- Global positioning system -- Field astronomy 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SURVEYING
<br/><br/><label>LC Class. No.: </label>TA 545 .D84 2009