Cléricy and La Pause map-areas, Quebec /
Ambrose, J. W.(John Willis),1904-
Ottawa : E. Cloutier, printer to the King,
1941.
At head of title: Canada. Dept. of mines and resources. Mines and geology branch. Bureau of geology and topography...
In lower right corner of t.-p.: No. 2465.
4 maps folded in back pocket: Maps 634A & 635A at scale 1:63,360 -- Map 625A Lake Routhier ; Map 626A Lake Dufault. (At scale 1:18,000).
"References": p. 2-3.
Geology
Mines and mineral resources