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Search Results : EPA National Library Catalog

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Select Item Title Year Published
  1 Percentile distributions of median nitrite plus nitrate as nitrogen, total nitrogen, and total phosphorus concentrations in Oklahoma streams, 1973-2001 2003
  2 Environmental characteristics and geographic information system applications for the development of nutrient thresholds in Oklahoma streams 2002
  3 Hydrologic characteristics of Bear Creek near Silver Hill and Buffalo River near St. Joe, Arkansas, 1999-2000 {electronic resource} / 2002
  4 Simulation of hydrodynamics, temperature, and dissolved oxygen in Beaver Lake, Arkansas, 1994-1995 {electronic resource} / 2002
  5 Phosphorus and nitrogen concentrations and loads at Illinois River south of Siloam Springs, Arkansas, 1997-1999 {electronic resource} / 2001



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