Great Lakes water levels, 1860-1990 : monthly and annual average water surface elevations /
Great Lakes water levels, 1860-1990 : monthly and annual average water surface elevations /
[Office of Oceanography and Marine Assessments].
- [Rockville, Md.] : U.S. National Oceanic and Atmospheric Administration. National Ocean Service, 1992.
- 243 p. ; 25 cm.
Great Lakes--Water level.
GB1627.G8 / G743 1992
C 55.420/2:860-90
Great Lakes--Water level.
GB1627.G8 / G743 1992
C 55.420/2:860-90