Geology of the western part of the Harold D. Roberts Tunnel, Colorado (Stations 0+00 to 690+00)
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Geology topics
Ernest Eugene Wahlstrom
Publications and source records attributed to Ernest Eugene Wahlstrom.
Summary of the engineering geology of the Harold D. Roberts Tunnel, Colorado
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History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado
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General geology of the Harold D. Roberts Tunnel, Colorado
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