Portland Canal area, British Columbia /
Hanson, George,1891-
Ottawa : J.O. Patenaude, printer to the King,
1935.
At head of title: Canada Department of Mines ... Bureau of Economic Geology.
In lower right corner of t.p. no. 2371.
2 maps folded in back pocket: Map 307A Geology ; Map 315A Mining properties. (At scale 1:253,440).
Bibliography: p. 2-3.
Geology