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Summary of the engineering geology of the Harold D. Roberts Tunnel, Colorado

January 1, 1981

No abstract available.

Publication Year 1981
Title Summary of the engineering geology of the Harold D. Roberts Tunnel, Colorado
DOI 10.3133/pp831E
Authors Ernest Eugene Wahlstrom
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Professional Paper
Series Number 831
Index ID pp831E
Record Source USGS Publications Warehouse