The distribution of ancient volcanic rocks along the eastern border of North America
Subtitle: by George H. Williams.
Series: The Journal of geology -- Vol. 2, no. 1.; Journal of geology -- Vol. 2, no. 1.; CIHM/ICMH microfiche series -- no. 44115.
Publisher: University Press
Published: 1983
Place of publication: Chicago
Language: eng
Format: Microform
Number of pages: 31
Subjects: Petrology -- North America.; Volcanic ash, tuff, etc. -- North America.; Rocks, Igneous.
Notes: Cover title.

Reproduction of original in: Library of Congress. Photoduplication Service.

Pre-1900 Canadiana.

Reprinted from the Journal of Geology, Vol. 2, No. 1, Jan-Feb, 1894.

Includes bibliographical references.

Microfiche. Ottawa : Canadian Institute for Historical Microreproductions, 1983. 1 microfiche (21 fr.) ; 11 x 15 cm. (CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches ; no. 44115).