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1 Nitrogen and phosphorus data for surface water in the Upper Colorado River basin, Colorado, 1980-941997Text
2 Organochlorine compounds and trace elements in streambed sediment and fish tissue, South Platte River Basin; Colorado, Nebraska, and Wyoming1997Text
3 Platte River ecosystem resources and management, with emphasis on the Big Bend reach in Nebraska. US Fish and Wildlife Service, Grand Island, Nebraska1997Text
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