Changes of level of the Great Lakes
By: by G.K. Gilbert.
Publisher: s.n.
Published: 1980
Place of publication: [S.l
Language: eng
Format: Microform
Number of pages: 11
Subjects: Lakes -- Canada.; Hydrology.
Other titles: The Forum.
Notes: "Reprinted from the new review, The Forum, vol. 5, June 1888."

Filmed from a copy of the original publication held by the National Library of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1980.

[12] p.