Two artists represented by the Lone Tree Gallery in Minden have been selected to participate in The Russell: The Sale to Benefit the C.M. Russell Museum. Teri Sweeney and Margo Petterson have each had a piece of art selected to be sold during the March 14-16 sale in Great Falls, Mont. Sweeney, a resident of Gardnerville, who also teaches watercolor classes in Gardnerville and South Lake Tahoe, will have a piece in the wall auction at the Russell Museum. Her work, "The Creamery," depicts a scene from Gardnerville of an historic creamery building. "Up a Lazy River," Petterson's work of …