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Morning Rainbow over the Yampa River, Colorado
A beautiful rainbow greets the rafters on the Yampa River in western Colorado (USA). The river flows into Utah where in joins the Green River. The Yampa is one a a very few un-dammed systems in the Western United States. It is popular with rafters and kayakers. Access to the river is controlled by a permit system during the spring runoff period when flows are high enough for boating.
Limnology - the study of inland waters
Photo - 2 July 2010