Report of an investigation into the subject of the gradual abolition of the crossings of highways by railroads at grade, by A. W. Locke. William O. Webber and George A. Kimball, engineers, to the Mass. Legislature.
Railroad crossings at grade
House
1889
Aufsatz (Zeitschrift)
Englisch
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Paving for railroad grade crossings
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Better and safer railroad grade crossings
Engineering Index Backfile | 1946
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