Concepts for a National Water-Quality Assessment Program (Q58312662)
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Current Data About Concepts for a National Water-Quality Assessment Program
(P31) (Q13442814)

(P50) (Q58096878)
(P1545) 1
(P1932) Robert M. Hirsch

(P577) +1988-00-00T00:00:00Z

(P1476) "Concepts for a National Water-Quality Assessment Program" (language: en)

(P2093) William M. Alley
(P1545) 2

William G. Wilber
(P1545) 3

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External Links
(P356) 10.3133/CIR1021