The Porcupine gold fields and the Cobalt silver mines, Northern Ontario, Canada
By: issued by General Passenger Department, Grand Trunk Railway System.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 86392
Publisher: s.n.]
Published: 1995
Place of publication: [Ontario?
Language: eng
Format: Microform
Number of pages: 17
Subjects: Gold mines and mining -- Ontario -- Porcupine.; Silver mines and mining -- Ontario -- Cobalt.
Notes: Cover title.

Filmed from a copy of the original publication held by the University of Toronto, Thomas Fisher Rare Book Library. Ottawa : Canadian Institute for Historical Microreproductions, 1995.

20 p. : ill., maps ; 22 cm.