Topographie moderne en haute montagne ; Photographie aérienne ; Figuration du terrain /
Switzerland.Eidg. Landestopographie.
International Geographical Congress(13th :1931 :Paris, France)
Berne : Service topographique fédéral,
1931.
Title from portfolio.
At head of title: Congrès international de géographie, Paris, 1931.
Issued in a portfolio.
"Questions 8, 9 et 10 de l'ordre du jour du Congrès."
With: Introductory covering letter addressed to 'Monsiure Bartholomew, Directeur de l'Instituit Géographique, Edinbourg, Scotland."
Bartholomew firm library.
Topographical surveying
Cartography
Aerial photogrammetry