INTERNATIONAL SOCIETY OF PHOTOGRAMMETRY 
COMMISSION III, AEROTRIANGULATION 
Anderson, University of California 
rkeley, California 94720 U.S.A. 
and 
"Everett H. Ramey, National Ocean Survey 
Rockville, Maryland 20852 U.S.A. 
Co-Chairmen of Working Group 
Experimental Research on Block Triangulation 
SUMMARY OF 
WORKING GROUP REPORTS 
Compiled by 
James McMurry Anderson 
Department of Civil Engineering 
University of California 
Berkeley, California 94720 
June 1972