Note by the institut geographique national on the use of APR (Air Profile Recorder) flights above the equatorial forest
Résumé
For five years the Institute geographique National (IGN) has systematically applied the APR in compiling regular small-scale maps of desert, more or less flat regions. It is known that the procedure permits direct determination of the overall vertical control necessary for plotting.
Citation
“United Nations. Economic and Social Council; United Nations. Economic Commission for Africa (1963-06). Note by the institut geographique national on the use of APR (Air Profile Recorder) flights above the equatorial forest. UN. ECA Regional Cartographic Conference for Africa (1963 July 1-13: Nairobi , Kenya). Addis Ababa :. © UN. ECA,. https://hdl.handle.net/10855/13113”Collections
Related items
Showing items related by title, author, creator and subject.
Resolution adopted by the conference of ministers: 284 (XII) governing council of the African institute for economic development and planning
“United Nations. Economic and Social Council; United Nations. Economic Commission for Africa (1975-03). Resolution adopted by the conference of ministers: 284 (XII) governing council of the African institute for economic development and planning. UN. ECA Conference of Ministers Meeting (3rd : 1975, feb. 24-28 : Nairobi, Kenya).; UN. ECA (12th session : 1975, Feb. 24-28 : Nairobi, Kenya). Addis Ababa:. © UN. ECA,. https://hdl.handle.net/10855/16237”
Evaluation des activités de la Commission du matériel et de l'équipement de l'union africaine des chemins de fer (U.A.C.) Kinshasa (Zaire) période de 1976 à 1989
“United Nations. Economic Commission for Africa. Transport and Communications Division; Nations Unies. Commission Economique pour l'Afrique (1989-11). Evaluation des activités de la Commission du matériel et de l'équipement de l'union africaine des chemins de fer (U.A.C.) Kinshasa (Zaire) période de 1976 à 1989. Addis Abeba:. © NU. CEA,. https://hdl.handle.net/10855/10132”
Rapport de la septième session extraordinaire de l'Assemblée générale
“Nations Unies. Commission Economique pour l'Afrique; Nations Unies. Conseil Economique et Social (1975-11). Rapport de la septième session extraordinaire de l'Assemblée générale. NU. CEA Réunion du comite exécutif (13ème Session : 1975, Nov. 17- 21 : Addis Abeba, Ethiopie).. Addis Abeba :. © NU. CEA,. https://hdl.handle.net/10855/13246”