Geographic Information system 
Colby Blair 
 - New York :  NY Research Press.  c2019. 
 - vii, 248pages  color illustrations 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>978-1-63238-674-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographical information systems.<br/>Information storage and retrieval systems--Geography.
<br/><br/><label>Dewey Class. No.: </label>910.285   / B635 2019