Pyrite at Nicho Lake, Goudreau, in 1931.
Nicho Lake, Goudreau (1931)
Pyrite at Nicho Lake, Goudreau, in 1931. From the Fortieth Annual Report of the Department of Mines.
Pyrite at Nicho Lake, Goudreau, in 1931. From the Fortieth Annual Report of the Department of Mines.
Pyrite at Nicho Lake, Goudreau, in 1931.