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018 BIG CEDAR CREEK
Niobrara Valley Preserve, Nebraska. Spring water falls over bedrock in a cascade on Big Cedar Creek near the Niobrara River. Seeps and springs are prominent along the south side of the Niobrara River valley and run year round, forming narrow canyons while feeding the river and its many small tributaries. These springbranch canyons along the Niobrara are very moist and cool, creating a micro-climate called Pleistocene Refugium by scientists. Within this type of micro-climate, plant species like quaking aspen survive hundreds of miles south of their normal range.