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Last edited by Open Library Bot
December 6, 2010 | History
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Subjects
Tunneling, Tunnels, VentilationPlaces
Wawona vehicular tunnelShowing 1 featured edition. View all 1 editions?
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Safety factors in construction and ventilation: Wawona vehicular tunnerl, Yosemite national park, Calif.
1940, U.S. Govt. Print. Off.
in English
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Edition Notes
At head of title: United States Dept. of the interior. Harold L. Ickes, secretary. Bureau of mines, John. W. Finch, director.
Running title: Safety factors in Wawona vehicular tunnel, Calif.
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Feedback?December 6, 2010 | Edited by Open Library Bot | Added subjects from MARC records. |
December 10, 2009 | Created by WorkBot | add works page |