Recherche dans la collection - Report on a survey of air photographic and map requirements undertaken by the Interdepartmental Committee on Air Surveys prior to the vertical and tri camera air survey programme of 1946 [cartographic material]

The report has 15 appendices consisting of 11 annotated maps, 3 diagrammatic representations of vertical, tri camera or steep oblique coverage and a letter to the Secretary of the Committee from the Department of National Defence.
The accession consists of these 11 annotated maps, representing appendices D, F, G, H, I, J, K, L, M, N, and O.
The base maps used for the 11 cartographic items were either the "Index to the Map Sheets of the National Topographic Series," provided by the Office of Topographic Survey in in 1927 and reprinted in 1943, or, Map 870A compiled by the GSGS, DND and printed in 1946.

Transferred from Dept. of Energy, Mines and Resources.

Scales [ca. 1:6 758 400] and [ca. 1:8 448 000]