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Water, Portland's Precious Heritage
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12/31/1983 |
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Water Committee
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12/31/1894 |
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Water Bureau Publications
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12/31/1983 |
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Washington County Gravity Supply Conduit
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12/31/1979 |
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Testimony of Robert B. Duncan
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12/31/1976 |
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Raymond Kell -Portland's Water History
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12/31/1982 |
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Portland's Water System
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12/31/1983 |
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Portland City Club Bulletin |
12/31/1983 |
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PL 95-200
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12/31/1972 |
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Old Correspondence, Clippings and Charter
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12/31/1983 |
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Major Projects -Hydropower
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12/31/1983 |
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Logging in Bull Run
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12/31/1983 |
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History of the Portland's Water Supply
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12/31/1979 |
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H. Kenneth Anderson Articles-Water Rull Run
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12/31/1979 |
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Gifford Pinchot: Bull Moose Progressive
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12/31/1983 |
