The document is a Summary of topographic and cartographic work carried out in the Republic of Chad from 1 January 1963 to 30 June 1966.

This paper deals on the census of population and housing that must have a spatial framework for which data are to be gathered, tabulated and reported. Areas must there fore be delineated for this purpose; it is the task ...

Le Gabon est un pays a la fois accidente et très boise et les photos aériennes sont le support indispensable de presque toutes les études de développement et de mise en valeur (mines, forêts, voies de comoum.cat.aona, etc.) ...

The topographic and cartographic work carried out in- the Republic of the Congo from 1 January 1963 to 30 June 1966.Since the end of 1962 photographs were available for the entire territory of the Congo with the exception ...

Gabon is a country which is full of indentations and at the same time very well wooded, and aerial photographs are the sine qua non of almost every study of development and improvement (in mines, forests, communications ...

Improvement in the quality of (air) photographic coverage is an essential factor in increasing the general output of photogrammetric work. Indeed, any gain in the definition of the image makes it possible to secure a survey ...

In order to ensure the attainment of this result, however, close co operation will be necessary between the specialists responsible for collecting geographical names and the competent national commissions, so that rigorous ...

Chaque Etat participant à la conférence est représenté par un représentant accrédité.

The Cartography Service of ORSTOM is a general service available to all Departments, Centers and Institutes, Missions and individual research workers whose tasks involve the use of maps as a means- of expression.

Le Gouvernement de la République socialiste tchécoslovaque pourra envoyer les centres communs, s’il y a lieu, un certain nombre de spécialistes et experts tchécoslovaques des levés et des cartes.