Computer software for spatial data handling / 
edited by D. F. Marble ; prepared by International Geographical Union, Commission on Geographical Data Sensing and Processing for the United States Department of the Interior, Geological Survey 
 - Reston, Va. :  U.S. Geological Survey,  1980 
 - 3 v. :  ill. ;  28 cm. 
<br/><br/> "Contract No. 14-08-0001-16560."  Item 621 
<br/><br/>Vol. 1. Full geographic information systems -- v. 2. Data manipulation programs -- v. 3. Cartography and graphics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography--Computer programs<br/>Cartography--Computer programs<br/>Computer graphics
<br/><br/><label>Dewey Class. No.: </label>910.285425