In this Oct. 27, 2008 photo provided by Denver Water, the Antero Reservoir is seen in Park County, Colo. A citizens group is asking the Colorado State Land Board to halt an auction of land in the ... more 
In this Oct. 27, 2008 photo provided by Denver Water, the Antero Reservoir is seen in Park County, Colo. A citizens group is asking the Colorado State Land Board to halt an auction of land in the South Park area for oil and gas development, including two parcels next to the Antero Reservoir that supplies some of Denver's drinking water, Thursday, Feb. 10, 2011. less 
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Associated Press | Photo By Denver Water
Fri, Feb 11, 2011 7:22 AM EST