Citation
U.S. Geological Survey. (2011). USGS US Topo 7.5-minute map for Mount Valhalla, WI 2011. U.S. Geological Survey. https://geodata.wisc.edu/catalog/01b1a535-19eb-44d0-892a-6c6a93409666
U.S. Geological Survey. (2011). USGS US Topo 7.5-minute map for Mount Valhalla, WI 2011. U.S. Geological Survey. https://geodata.wisc.edu/catalog/01b1a535-19eb-44d0-892a-6c6a93409666