Usil, G. W <br/><br/>
Practical surveying 
 a text-book for students preparing for examinations or for survey work at home and over-seas 

 - 15th ed. 
 - London  The Technical Press  1960 
 - vii, 471p. : ill 
<br/><br/><label>LC Class. No.: </label>TA 535 Usi