Construction: Civil WorksClick on the image to access roster |
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|---|---|---|---|
A 50-Ton Plymouth (Joe Brockmeyer photo 16 May 1970 / R. Craig collection) | |||
 American Bridge |
 Guy F. Atkinson |
 Bechtel |
 Day & Zimmerman |
 Gifford-Hill |
 S. J. Groves & Sons |
 Morrison-Knudsen |
 Oro Dam Constructors |
 Perini Constructors |
 Raymond International |
 Sanderson & Porter |
 Stone & Webster |
| General Note: Although not fully represented in the above rosters, narrow-gauge trains were widely used for haulage on construction sites until trucks took over, including into the introduction of internal combustion for the critters. Plus, they have been used in numerous tunneling projects. | |||