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1Published 2014Subjects: “...Natural gas pipelines Pennsylvania....”
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2Published 2014Subjects: “...Natural gas pipelines Pennsylvania....”
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3Published 1985Subjects: “...Natural gas Pennsylvania Pipe line failures....”
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4by Fettke, Charles R. (Charles Reinhard), 1888-1959Subjects: “...Natural gas Pennsylvania....”
Published 1953
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5by Slonecker, E. TerrenceSubjects: “...Natural gas Geology Pennsylvania Allegheny County....”
Published 2013
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6by Milheim, L. E.Subjects: “...Natural gas Geology Pennsylvania....”
Published 2014
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7by Slonecker, E. TerrenceSubjects: “...Natural gas Geology Pennsylvania....”
Published 2014
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8by Slonecker, E. TerrenceSubjects: “...Natural gas Geology Pennsylvania....”
Published 2012
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9by Slonecker, E. TerrenceSubjects: “...Natural gas Geology Pennsylvania....”
Published 2013
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10by Slonecker, E. TerrenceSubjects: “...Natural gas Geology Pennsylvania....”
Published 2013
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11Published 1999Subjects: “...Natural gas pipelines Environmental aspects New York (State)...”
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12by Ashley, Geo. H. (George Hall), 1866-1951Subjects: “...Natural gas Pennsylvania....”
Published 1922
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13by Sisler, James D. (James Donaldson), 1894-Subjects: “...Natural gas Pennsylvania....”
Published 1933
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15Published 1996Subjects: “...Natural gas pipeline failures Pennsylvania Allentown....”
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16Published 1996Subjects: “...Natural gas pipeline failures Pennsylvania Allentown....”
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17by Heyman, LouisSubjects: “...Natural gas Geology Pennsylvania Jefferson County....”
Published 1969
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18by Kelley, Dana R.Subjects: “...Natural gas Geology Pennsylvania Erie County....”
Published 1969
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19Published 2001Subjects: “...Natural gas pipelines Environmental aspects New York (State)...”
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20Published 2006Subjects: “...Natural gas pipeline failures Pennsylvania DuBois....”
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