CIVIL ENGINEERING STUDIES 
PHOTOGRAMMETRY SERIES 
H.M. Karara STUDIES IN SPATIAL AEROTRI- 
ANGULATION, Technical Report 
No. 5, Engineering Experiment 
Station, University of 
Illinois. 
A.A. Elassal ANALYTICAL AERIAL TRIANGULA- 
TION THROUGH SIMULTANEOUS 
RELATIVE ORIENTATION OF MUL- 
TIPLE CAMERAS, (NSF-G-19759)* 
Gordon Gracie A STATISTICAL INVESTIGATION 
OF THE PROPAGATION OF RANDOM 
ERRORS IN ANALOG AEROTRIANG- 
ULATION. (NSF-G-19749) 
. Madkour THE EFFECT OF THE ANOMALOUS 
GRAVITY ON THE DIRECTION OF 
THE THE VERTICAL AS DETER- 
MINED BY A MECHANICALLY PER- 
FECT INERTIAL PLATFORM. 
(NSF-GK-776) 
Soehngen STRIP AND BLOCK ADJUSTMENTS 
OF THE ITC BLOCK OF SYNTHE- 
TIC AERIAL TRIANGULATION 
STRIPS.  (NSF-GK-776) 
. O'Connor VISUAL FACTORS AFFECTING 
THE PRECISION OF COORDIN- 
ATE MEASUREMENT IN AEROTRI- 
ANGULATION. 
. Moellman A COMPARATIVE STUDY OF TWO- 
PHOTO VERSUS THREE-PHOTO 
RELATIVE ORIENTATION, 
(NSF-GK-776) 
. Soehngen INVESTIGATION OF BLOCK AD- 
. Tung & JUSTMENTS OF THE ITC FICT- 
Leonard ITIOUS BLOCK USING SECTIONS 
AND THE ITERATIVE AND DIRECT 
SOLUTIONS OF THE NORMAL EQU- 
ATION SYSTEM. (NSF-GK-776) 
* Information in parentheses refers to the contract number of 
the project's sponsor. 
(Continued on inside on back cover)