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3Geology of the eastern part of the Harold D. Roberts Tunnel, Colorado (Stations 690+00 to 1238+58) /by Warner, Lawrence Allen, 1914-Subjects: “...Geology Colorado Harold D. Roberts Tunnel....”
Published 1981
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4by Wahlstrom, Ernest E. (Ernest Eugene), 1909-2000Subjects: “...Geology Colorado Harold D. Roberts Tunnel....”
Published 1981
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6Aspects of ground-water storage and depletion along the Molokai irrigation tunnel, Molokai, Hawaii /by Hirashima, George T.Subjects: “...Tunnels....”
Published 1963
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7by Kaye, Clifford A. (Clifford Alan), 1916-1985Subjects: “...Tunnels Massachusetts Boston Region Maps....”
Published 1985
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8by Greene, Earl A.Subjects: “...Subway tunnels Maryland Montgomery County....”
Published 2004
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9Published 2012Subjects: “...Water tunnels New York (State) Wawarsing....”
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10Published 2012Subjects: “...Water tunnels New York (State) Wawarsing....”
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11Published 2001Subjects: “...Water tunnels New York (State) Queens County....”
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12by Greene, Earl A.Subjects: “...Subway tunnels Maryland Montgomery County....”
Published 2004
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13by Robinson, Charles Sherwood, 1920-Subjects: “...Harold D. Roberts Tunnel (Colo.)...”
Published 1974
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14Published 1979Subjects: “...Tunnels Minnesota Twin Cities Metropolitan Area Maps....”
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15“...Harold D. Roberts Tunnel (Colo.)...”
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16by Wahlstrom, Ernest E. (Ernest Eugene), 1909-2000Subjects: “...Harold D. Roberts Tunnel (Colo.)...”
Published 1974
Government Document Book