Search Results
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1
Methane control in tunneling
Published: U.S. Dept. of the Interior, Bureau of Mines, 1989Description: 16 pages : illustrations ; 22 cm.Government Document Book -
2
Carbon monoxide and particulate matter in air of Holland Tunnel and metropolitan New York
Published: U.S. Dept. of the Interior, Bureau of Mines, 1941Description: 69 pages (some folded), 28 unnumbered leaves : illustrations ; 27 cm.Government Document Book -
3
Diesel engines underground. VI., Use of diesel locomotives in construction of the Delaware Aqueduct : effect of exhaust gases upon quality of tunnel air
Published: U.S. Dept. of the Interior, Bureau of Mines, 1947Description: 26 pages, 3 unnumbered leaves : illustrations ; 27 cm.Government Document Book