History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado

Ernest Eugene Wahlstrom

doi:10.3133/pp831A

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History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado

Professional Paper 831-A

By: Ernest Eugene Wahlstrom

https://doi.org/10.3133/pp831A

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Abstract

Additional publication details
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
Edition	-
Year Published	1974
Language	ENGLISH
Publisher	U.S. Govt. Print. Off.,
Description	12 p.
Google Analytic Metrics	Metrics page