History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado
Professional Paper
831-A
By: Ernest Eugene Wahlstrom
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Abstract
Suggested Citation
Wahlstrom, E.E., 1974, History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado: U.S. Geological Survey Professional Paper 831, 12 p., https://doi.org/10.3133/pp831A.
ISSN: 2330-7102 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado |
| Series title | Professional Paper |
| Series number | 831 |
| Chapter | A |
| DOI | 10.3133/pp831A |
| Year Published | 1974 |
| Language | ENGLISH |
| Publisher | U.S. Govt. Print. Off., |
| Description | 12 p. |