Porcupine gold fields
Subtitle: and the Cobalt silver mines, Northern Ontario, Canada.
Published: 1912
Place of publication: [Ontario?
Language: eng
Number of pages: 20
Subjects: Ontario -- Mines and mineral resources
Notes: Issued by General Passenger Dept., Grand Trunk Railway System.

Fisher copy available in an online version via the UTL Canadian Pamphlets and Broadsides digital collection.