The Davis handbook of the Porcupine gold district
Subtitle: with a directory of incorporated companies and a review of mining in northern Ontario with an analysis of the production and dividends of the Cobalt silver district
By: by H. P. Davis.
Publisher: H.P. Davis
Published: 1911
Place of publication: New York
Language: eng
Number of pages: 131
Subjects: Mines and mineral resources -- Ontario.
Notes: Edition limited to 5000 copies. This copy not numbered.