Field, office and instrumental methods of aerial reconnaissance and location mapping for railroad and highway routes; use of aerial method on 700 km. of railway location of "Lines North" in Persia; use of special magazine plate cameras; continuous ground control unnecessary; aerosimplex gives rapid adjustment; aerial survey for highway between Missoula, Mont., and Lewiston, Idaho, 310 mi., including three variants.
Aerial photography for railroad location
Civil Eng. (N.Y.)
Civil Engineering (New York) ; 1 , n 9
1931
6 pages
5 Figs.
Aufsatz (Zeitschrift)
Englisch
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