Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Canada's pulpwood areas, water-power resources and mineral possibilities are very great; necessity for maps is urgent; Topographical Survey of Canadian Dept. of Interior, in aerial surveys work for 1927, photographed 45,850 square miles, 28,650 by oblique and 17,200 by vertical photography, for mapping purposes.
Canada's pulpwood areas, water-power resources and mineral possibilities are very great; necessity for maps is urgent; Topographical Survey of Canadian Dept. of Interior, in aerial surveys work for 1927, photographed 45,850 square miles, 28,650 by oblique and 17,200 by vertical photography, for mapping purposes.
Aerial surveying in Canada
Eng. Min. Jl
Peters, F.H. (Autor:in)
1928
2 Figs. on p. 490
Aufsatz (Zeitschrift)
Englisch
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