Main Line of Public Works
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South Fork Dam
Thomas M. Carnegie
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South Fork
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Catastrophic failure
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Johnstown Inclined Plane
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James B. Francis
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Kelly Barnes Dam
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Little Conemaugh River
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Allegheny Mountains
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Johnstown Flood National Memorial
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Johnstown Flood
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Henry Clay Frick
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List of national memorials of the United States
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Andrew Mellon
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Johnstown, Pennsylvania
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Storm
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1880s
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1889
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Andrew Carnegie
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Lake Conemaugh
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