Tunnels
machine excavation, rate of progress, machine data.
Edición de la obra Tunnels
| Autor | Engineering and Research Center (U.S.) |
|---|---|
| Editorial | U.S. Dept. of the Interior, Bureau of Reclamation, Engineering and Research Center, Office of Design and Construction |
| Fecha de publicación | 1972 |
| Lugar | Denver |
| Idioma | inglés |
| Serie | REC-ERC (Series) -- 72-9. |
| Número de Cutter | T926 |