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: | Government Document eBook |
| Language: | English |
| Published: |
Washington :
United States Department of the Interior, Geological Survey,
1974.
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| Series: | Geological Survey professional paper ;
831-A. Engineering geology of the Harold D. Roberts Tunnel, Colorado. |
| Subjects: | |
| Online Access: | https://purl.fdlp.gov/GPO/gpo87666 |
| Summary: | "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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| Item Description: | Title from title screen (viewed October 2, 2014). |
| Physical Description: | 1 online resource (iii, A13 pages) : illustrations, maps + 5 plates. |