Fort William and Port Arthur, and Thunder Cape map-areas, Thunder bay district, Ontario /
Tanton, Thomas Leslie,1890-
Ottawa : F.A. Acland, Printer,
1931.
At head of title: Canada. Department of mines.
3 maps folded in back pocket: Map 276A Thunder Bay silver area at scale 1:253,440 -- Map 197A Surface deposits of Fort William and Port Arthur at scale 1:63,360 -- 1902 Thunder Cape at scale 1:36,000.
Bibliography: p. 3-6.
Geology