History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado a historical review of the planning, geologic investigations, engineering design, and construction procedures for a 23.3-mile water tunnel that passes under the Continental Divide in the Front Range of Colorado
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| Format: | UnknownFormat |
| Sprache: | eng |
| Veröffentlicht: |
Washington
U.S. Govt. Print. Off
1974
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| Schriftenreihe: | Geological Survey professional paper
831-A Engineering geology of the Harold D. Roberts Tunnel, Colorado |
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Tag hinzufügen | Beschreibung: | Part of illustrative matter in pocket Bibliography: p. 13 |
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| Beschreibung: | III, 13 S Ill., graph. Darst., Kt 5 Kt.-Beil. |