Opinions are given relative to runways, from pilots of many years' experience; they seem to indicate that runway material must soon become all-important factor in modern airport construction; first cost is principal objection to concrete runways but they are almost necessity where ground is difficult to drain.
Early birds express opinions on runways
Airports
Airports ; 3 , n 5
1929
Article (Journal)
English
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Engineering Index Backfile | 1961
|NTIS | 1975
|Engineering Index Backfile | 1929
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