Historical water levels summary:
Ontario.
Sommaire chronologique des niveaux d'eau; Ontario.

Description

Viewability

Item Link Original Source
Limited (search only)   1976 University of Michigan
Limited (search only)   1983 University of Michigan
Limited (search only)   1983 University of Illinois at Urbana-Champaign
Limited (search only)   1985 University of Michigan
Limited (search only)   1985 University of Illinois at Urbana-Champaign
Limited (search only)   1987 University of Michigan
Limited (search only)   1987 University of Illinois at Urbana-Champaign
Limited (search only)   1990 University of Michigan
Limited (search only)   1990 University of Illinois at Urbana-Champaign