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Site Guide Village Lakes Eola Road
Site Map Bison Field Main Ring Main Injector Ring

Main Ring Moat

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The Main Ring Moat is a series of connected ponds that forms a circle just inside the Tevatron accelerator ring. The ponds were used as a source of cooling water for the accelerator components which means that when the Tevatron accelerator was in operation they would often remain open even when most of the lake on site are frozen and that means that made it a good place to look for wintering waterfowl. Main Ring road runs in a circle between the moat and the accelerator ring which allows close up looks at both wintering and migrating waterfowl. It also provides good views of the prairie inside the ring where, in winter, Northern Shrikes and Rough-legged Hawks are often found. Driving the road can also be productive for Horned Larks, Lapland Longspurs and Snow Buntings. In 1999 a male Ring-necked Duck spent an entire summer on the north-western part of the moat and more recently a Pied-billed Grebe has spent the entire winter on the south-eastern part.

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