Technical and economic investigation of Northern Ontario lignite
By: report presented by the Director of the Ontario Research Foundation to the Honourable Charles McCrea, Minister of Mines, December, 1932: printed by order of the Legislative Assembly of Ontario.
Contributors: Speakman, Horace B. 1893-; Ontario Research Foundation.; Canada. Dept. of Mines.
Publisher: s.n.
Published: 1933
Place of publication: [Toronto
Language: eng
Number of pages: 45
Subjects: Lignite -- Ontario
Notes: Cover title.

H.B. Speakman, Director.

"Reprinted from Report of the Dept. of Mines, vol. XLII, pt. 3, 1933."

Bibliography: p. 27-28.