History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado
January 1, 1974
No abstract available.
Citation Information
Publication Year | 1974 |
---|---|
Title | History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado |
DOI | 10.3133/pp831A |
Authors | Ernest Eugene Wahlstrom |
Publication Type | Report |
Publication Subtype | USGS Numbered Series |
Series Title | Professional Paper |
Series Number | 831 |
Index ID | pp831A |
Record Source | USGS Publications Warehouse |