Municipalities located in the Guernsey to State Line subbasin include Lingle and Torrington. The Guernsey to State Line subbasin lies primarily within Goshen County, Wyoming. A northern portion of the subbasin lies within Niobrara County and a small western portion of the subbasin lies within Platte County, Wyoming. U.S. Route 85 runs north and south through the City of Torrington. Multiple states routes connect Torrington to smaller towns to the south.