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:
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