Discovery of the preglacial outlet of the basin of Lake Erie into that of Lake Ontario
Subtitle: with notes on the origin of our lower Great Lakes
By: by J.W. Spencer.
Series: CIHM/ICMH microfiche series -- no. 60644.
Publisher: s.n.
Published: 1987
Place of publication: [S.l
Language: eng
Format: Microform
Number of pages: 337
Subjects: Geology -- Great Lakes Region.; Glaciers -- Great Lakes.; Great Lakes (North America)
Notes: "Read before the American Philosophical Society, March 18, 1881."

Errata.

Reproduction of original in: Canada. Parliament. Library. and National Library of Canada.

Pre-1900 Canadiana.

Microfiche. Ottawa : Canadian Institute for Historical Microreproductions, 1987. 1 microfiche (31 fr.) ; 11 x 15 cm. (CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches ; no. 60644).