Techical papers.Vol.1 

 - Bethesda, MD :   American Congress on Surveying and Mapping,  1991 
 - viii, 300p. :   ill. ;   24cm. 
 - Surveying  Vol.1 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0-944426-39-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surveying<br/>Geographical information systems<br/>Congresses
<br/><br/><label>LC Class. No.: </label>GY TA502.A47 Vol.1