Denmark 
L.L.O. Piy. Lid., Copenhagen. 
Finland 
Consulting Engineers, Helsinki 
Institute of Photogrammetry, Tech. Univ. of Helsinki. 
Germany-Dem. Rep. 
  
Gesellschaft für Photogrammetrie, Dresden. 
Germany — Fed. Rep. 
  
Hessisches Landesvermessungsamt, Wiesbaden. 
Institut für Photogrammetrie, Tech. Univ., Hannover 
Institut für Photogrammetrie, Univ. Stuttgart 
Landesvermessungsamt Rheinland-Pfalz, Koblenz 
Min. für Landwirtschaft, Weinbau u Forsten, Mainz. 
Hungary 
Budapester Geodätisches u. Kartographisches Institut 
Kartographisches Institut, Budapest 
India 
Survey of India, Dehra Dun 
Italy 
Ecole Polytechnique, Milan 
Japan 
Asia Air Survey Co. Ltd., Tokyo 
Geological Survey of Japan, Tokyo 
Pacific Aero Survey Co. Ltd., Tokyo 
Malaysia 
Land & Survey Dept., Kuching, Sarawak 
survey Dept., Kuala Lumpur 
Netherlands 
ITC, Enschede 
Survey Dept., Min. of Public Works, Delft 
Topographic Service, Delft 
  
New Zea 
Lands & 
Norway 
Dept. © 
Pakista 
Survey 
Peru 
Institu 
Rhodesi. 
ourveyo: 
South A; 
Dept. © 
Sudan 
Sudan Si 
Sweden 
Div. of 
The Geo; 
VIAK Cor 
Thai Lant 
Royal Tt 
Tunisia 
Div. Tor 
Turkey 
Director 
Photogra 
U.K. 
B.K.S. S 
Director 
Mapping 
Ordnance