J.B. Mawdsley fonds
J.B. Mawdsley fonds
A.R. Byers fonds
A.R. Byers fonds
International Potash Technology Conference fonds
International Potash Technology Conference fonds
Department of Mining Engineering fonds
Department of Mining Engineering fonds
W.O. Kupsch fonds
W.O. Kupsch fonds
F.H. Edmunds fonds
F.H. Edmunds fonds
General view of mining camp
General view of mining camp
Kalium Chemicals potash plant
Kalium Chemicals potash plant
Department of Geology fonds
Department of Geology fonds
Denis St-Onge fonds
Denis St-Onge fonds
Close view of exposed iron deposit, Mary River, N.W.T.
Close view of exposed iron deposit, Mary River, N.W.T.
Exposed iron ore
Exposed iron ore
