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Effect of ground and surface water on subgrades and importance of drainage. Types of drains. Paper read at Highway Conference of University of Pa.
Effect of ground and surface water on subgrades and importance of drainage. Types of drains. Paper read at Highway Conference of University of Pa.
Highway subgrade drainage
Can. Engr
Williar, H.D. (Autor:in)
Canadian Engineer ; 41
1921
Aufsatz (Zeitschrift)
Englisch
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