Great Lakes levels /

Bibliographic Details
Previous Title:	Great Lakes levels update
Corporate Author:	United States. Army. Corps of Engineers. North Central Division
Format:	Government Document Journal
Language:	English
Published:	[Chicago, Ill.?] : The Division, [1990-1994]
Subjects:	Water levels > Great Lakes (North America) > Periodicals.

Description
Published:	Update letter no. 65 (Dec. 4, 1990)- Ceased with letter no. 102 (Jan. 4, 1994)
Item Description:	Title from caption.
Physical Description:	volumes : illustrations ; 28 cm.
Publication Frequency:	Monthly