Four conditions necessary for decay; how decay can be prevented; coaltar preservatives; methods of treatment. See also Contract Rec., vol. 36, no. 50, Dec. 13, 1922, pp. 1180-1181. Paper presented before N. J. Highway Assn.
The proper treatment of posts for guard rails
Good Roads
Good Roads ; 63 , n 15
1922
Aufsatz (Zeitschrift)
Englisch
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