Joyce, MichaelMoen, Ronald2022-09-072022-09-072022-08https://hdl.handle.net/11299/241486The design for this fisher den box is based on a design that has been used for fishers in British Columbia (Davis 2016). We made minor design modifications as described in this manual, for example we used screws instead of nails in all construction. Almost 100 of these boxes were deployed in northern Minnesota, with several boxes used by fishers (M. Joyce, 2022, Final Report, Environment and Natural Resources Trust Fund project M.L. 2019, First Special Session, Chp. 4, Art. 2, Sec. 2, Subd. 03i).enNatural Resources Research InstituteUniversity of Minnesota DuluthTechnical Report