Report on the present and prospective output of the mines of the silver-cobalt ores of the Cobalt district
By: by Eugene Haanel.
Contributors: Haanel, Eugene, 1841-1927
Publisher: Govt. Print. Bureau
Published: 1907
Place of publication: Ottawa
Language: eng
Number of pages: 13
Subjects: Cobalt (metal); Silver mines and mining
Notes: [No. 17]