The Natural Resources Research Institute (NRRI), Friends of Sax-Zim Bog, and industry partners constructed a wooden boardwalk at the Sax-Zim Bog near Toivola, MN. The boardwalk is manufactured from locally-sourced Eastern larch timber, a low-value tree species threatened by the Eastern larch beetle. Prior to construction, the lumber was thermally modified to increase dimensional stability and improve decay and moisture resistance.
Funding for this project was provided by the U.S. Forest Service Wood Innovations Grant program via grant no. 19-DG-11420000-076.