US Army Engineer District, Detroit 
PO Box 1027 
Detroit, MI 48231-1027 
Publication 
Monthly Bulletin of Lake Levels for the Great Lakes 
Publication Interval: 
Location: 
Period of Coverage: 
Monthly 
The five Great Lakes and Lake St. Clair 
1860 to present 
Contents: This pamphlet contains information on Great Lakes water levels, 
their monthly means, and their fluctuations. 
year and the current year to date along with the 
probable levels for the next 
6 months and the deviations that can be expected are given in a chart that 
displays lake level vs. time for each lake. The 1900-1982 average level and 
the maximum and minimum levels and the year they were recorded are also 
plotted on the same chart. 
Available From: 
Additional Information: 
Commander, US Army Engineer District, Detroit 
ATTN: NCEED-L 
PO Box 1027 
Detroit, MI 48231-1027 
Copies are free, as this bulletin is a public 
service. The "Great Lakes and Connecting 
Channels Water Levels and Depths," a twice 
monthly publication that provides forecasted 
channel depths for Great Lakes navigational 
purposes, may also be obtained free of charge 
from the same address. 
III-34 
Recorded levels for the previous 
