OMI64 - A108 x 30 
86 
The authors wish to acknowledge the helpful suggestions of Prof. T. Maruyasu, 
Tokyo University, Mr. M. Kanazawa, Asia Aero Survey Co., Mr. M. Sato, Oba 
Construction Co. for Civil and Architectural Engineering, and to offer their thanks 
to all who assisted with measurements from the aerial photographs. 
References 
1. Bernard J. Colner: “Vertical Accurrcy Analysis” Photogrammetric Engineering, July, 
1962. 
2. Taichi Oshima: “Vertical Accuracy of Aeriail Photograph (1)” Journal of The Japan 
Society of Photogrammetry, Vol.-I, No. 3, 1962. 
3. T. Oshima and Y. Usami: “Vertical Accuracy of Aerial Photograph (II)” Journal of 
The Japan Society of Photogrammetry, Vol. 2, No. 4, 1963. 
4. T. Oshima and Y. Usami: “Vertical Accuracy of Aerial Photograph (III)” Journal of 
The Japan Society of Photogrammetry, Vol. 3, No. 1, 1964. 
PRINTED IN ITALY