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1986 Lake Powell survey National Park Service Water Resources Division; National Park Service
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Operation of Glen Canyon Dam, draft environmental impact statement: summary National Park Service Water Resources Division; National Park Service
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1994-04-11
Operation of Glen Canyon Dam, draft environmental impact statement National Park Service Water Resources Division; National Park Service
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1994-04-11
Operation of Glen Canyon Dam, draft environmental impact statement: appendices National Park Service Water Resources Division; National Park Service
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1993-05-01
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Clemson University