Author Statement :
edited by David R. Green
Collation :
xxii, 228 p.: ill.; 24 cm
Subject :
Geographic information systems,Geography- Study and teaching (Secondary)- Audio-visual aid
ADDED ENTRIES :
Green, David R
Holding Info. :
0748402705,0748402705
SubTitle :
: a sourcebook for schools
Biblography :
Includes bibliographical references and index
