Geology of Franklin mining camp, British Columbia /
Drysdale, Charles Wales,1885-1917.
Ottawa : Government Printing Bureau,
1915.
The author's doctoral dissertation, Yale university, 1912, but not published as a thesis.
2 maps folded in back pocket: Map 97A Geology at scale 1:24,000 ; Map133A Mineral claims at scale 1:30,000 -- Fig. 16 folded in back pocket: Block diagram.
Bibliography: p. 177-184.
Geology