A platform for research: civil engineering, architecture and urbanism
Organization of aerial survey of district about 3600 sq. Km. in area, on scale of 1:5000, at cost of about 93 marks per sq. km.; uses of survey and its financing.
The aerial survey of the Ruhr coal mining district
Technische und wirtschaftliche Fragen zur Luftbildaufnahme des Ruhrkohlenbezirks
Simon, V. (author)
Deutsche Bauzeitung ; 61
1927
2 pages
Article (Journal)
German
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