USGS professional paper · 1998 · 39 citations · 7 references
comprehensive body of information developed as part of the NAWQA Program. The program depends heavily on the advice, cooperation, and information from many Federal, State, interstate, Tribal, and local agencies and the public.
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Timothy A. Cohn, L.L. DeLong, Edward J. Gilroy et al. · Water Resources Research · 1989 · 498 citations
Statistical methods in water resources
C. T. Haan · Journal of Hydrology · 1993 · 481 citations