Hornbrook, E.H.W.; Friske, P.W.B
North central Ontario lake sediment and water surveys, 1989
NGR lake sediment and water surveys were carried out in north central Ontario in 1989. The data are published in GSC Open Files 2177 and 2178.
Canada - Ontario Mineral Development Agreement (1985-1990), a subsidiary agreement under the Economic and Regional Development Agreement.
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