NASA. 
1973: Third ERTS Symposium, December 10-14, 1973. 
Abstracts available. 
Goddard Space Flight Center, Greenbelt, Md. 
Palabekiroglu, S. 
1974: The Value of ERTS-1 Imagery for Mineral Explorât 
Second Canadian Symposium on Remote Sensing, 
Guelph, Ontario, April, 1974. 
Proceedings in press. 
Short, N.M. and Lowman, P.D., Jr. 
1973: Earth Observations from Space: Outlook for the 
Geological Sciences. 
X-650-73-316 , Oct., 1973, GSFC, Greenbelt, Md.