Petrographical differentiation of certain dykes of the Rainy Lake region
By: by Andrew C. Lawson ; with analyses by F.T. Shutt.
Contributors: Shutt, Frank T. 1859-1940.
Series: CIHM/ICMH microfiche series -- no. 24802.
Publisher: s.n.
Published: 1981
Place of publication: [S.l
Language: eng
Format: Microform
Number of pages: 164
Subjects: Geology -- Ontario.; Dikes (Geology) -- Ontario.; Rainy Lake region (Ont. and Minn.)
Other titles: American geologist.
Notes: Caption title.

Reproduction of original in: Library, Geological Survey of Canada.

Pre-1900 Canadiana.

"From the American geologist, March, 1891."

Microfiche. Ottawa : Canadian Institute for Historical Microreproductions, 1981. 1 microfiche (11 fr.) ; 11 x 15 cm. (CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches ; no. 24802).