CASPER, Wyo. — On Thursday, the Wyoming Area Office of Reclamation in Mills, Wyoming, announced that it will be lowering the water level in the Guernsey Reservoir in preparation of the annual silt run. A release from the bureau says that the silt run is an operation that provides silt-laden water to Goshen, Gering-Fort Laramie, and Pathfinder Irrigation Districts under contract with Reclamation. As the silt-laden water gets diverted into irrigat…