United States, Minnesota, Pine, Pine County...Kettle River Natural Area: 5.5 mi E of Hinckley, SW1/4 NW1/4 Sec 23, T41N, R20W.;Kettle River Scientific Natural Area / Sandstone National Wildlife Refuge;041N;20W;23
46.018609 -92.835797 +-800m. WGS84
black ash swamp with Tilia americana, Osmunda cinnamomea, Acer saccharinum