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Better equipment will mean more economical road building
Effective road machinery becomes more important with increased labor costs; comparative costs of excavation and earthmoving from 1924 (40 cts per cu yd) to 1940 (21 cts per cu yd); improvement of road building machinery considered necessary.
Better equipment will mean more economical road building
Effective road machinery becomes more important with increased labor costs; comparative costs of excavation and earthmoving from 1924 (40 cts per cu yd) to 1940 (21 cts per cu yd); improvement of road building machinery considered necessary.
Better equipment will mean more economical road building
Roads Streets
Upham, C.M. (Autor:in)
Roads and Streets ; 90
1947
Aufsatz (Zeitschrift)
Englisch
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