Learning and using geographic information systems  Arcexplorer Ed. 
Wilpen L. Gorr...,[et. al.] 
 - [Arcexplorer Edition] 
 - Massachusetts, USA  Thompson Course Technology  2006 
 - xvi, 219p.  ill. col.  24 cm  1 CD-ROM (4 3/4 in.) 
<br/><br/> includes Bibliographical References and Index 
<br/><br/><label>ISBN: </label>0619217472 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems