60-acre fill 20 ft. deep forms unique hydraulicking operation now under way between Pennsylvania Railroad tracks and Ohio River.
Hydraulic giants place slag fill from railway cars
Eng. News-Rec
Engineering News-Record ; 97 , n 17
1926
3 pages
4 Figs.
Aufsatz (Zeitschrift)
Englisch
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Buses could not fill place of street cars in New York city
Engineering Index Backfile | 1923
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