SYMPOSIUM ON PHOTO INTERPRETATION 
DELFT - THE NETHERLANDS - 1962 
STEERING COMMITEE 
Professor Dr. G. H. Edelman 
Professor Dr. L. U. de Sitter 
Dr. H. Th. Verstappen 
President 
Vice-President 
Secretary 
Ir. D. C. de Bruyn 
Ir. H. F. Gelens 
Ir. G. F. Ligterink 
Mr. J. Ooms 
Ir. J. Vermeer 
Ir. L. van Zuylen 
Mrs. H. P. J. v. d. Weele-de Koster 
Mrs. E. A. van Zuylen-Duijne 
MEMBERS 
Hotel accomodation 
Transactions Editor 
Exhibitions 
Finance 
Symposium Bureau 
Representative of the Netherlands Society for 
Photogrammetry/Excursions 
Ladies’ programme 
Ladies’ programme 
WORKING GROUP CHAIRMEN 
Ir. D. A. Stellingwerf 
Drs. J. F. M. Mekel 
Dr. A. P. A. Vink 
Ir. D. A. Boon 
Dr. S. Schneider 
R. E. Frost, M.Sc. 
J. K. S. St Joseph, M. A., Ph. D. 
G. Verwers 
Professor F. Ruellan 
Professor R. D. Miles 
J. C. M. de Molyn, M.Sc. 
W.G. 1 Photography, Equipment and Techniques 
W.G.2 Geology, inc. geomorphology, hydrology 
W.G.3 Soils,inc.land classification,soil conservation 
W.G.4 Vegetation, inc. forestry, plant ecology 
W.G.5 Regional Geography and Planning 
W.G.6 Ice 
W.G.7 Archaeology 
Representative of WG 7 in The Netherlands 
W.G.8 Oceanography and Coastal Research 
W.G.9 Engineering 
Representative of WG 9 in The Netherlands 
OTHER co-operators 
Miss L. E. Alberts 
Miss N. A. Christiaanse 
Miss I. L. De Stefano 
Mr. M. F. Fortuin 
Mr. V. Grossen, dipl. ing. ETH 
Miss J. C. W. v. d. Heuvel 
Miss M. T. C. Hutcheson 
Mr. H. P. Kruyne 
Mr. G. Kuyl 
Mrs. M. L. Leenheer-Braie 
Miss B. Mangert 
Miss H. M. L. Olivier 
Mr. M. H. Oole 
Miss R. Ooms 
Dr. G. Reverterá 
Miss H. G. M. Schmidt 
Mr. D. Schwaar 
Mr. G. H. P. Smit 
Mrs. H. M. Th. v. d. Stap-Guérain 
Mr. H. de Vries 
Miss J. v. d. Weele 
Mr. J. Weyland 
Mrs. S. Wiskerke-Mosterd