Map of southern Lake Michigan showing lines of side-scan sonar tracks, orientation and location of linear ridge features on the floor of Lake Michigan.

Call Number: 
3310 c5.1-2
Publisher: 
Illinois State Geological Survey
Date: 
1974
Map Description: 
1 map : vellum ; on sheet 56 x 34 cm
Notes: 
Original for slide used in a talk at the 17th Conference on Great Lakes Research, 1974; Variation of original for Figure 4, Environmental Geology Notes 74.
Keywords: 
Sonar investigations; Bathymetry; Lake bottom; Lake Michigan
Scale: 
1 in.=10 mi.
Added Entries: 
Environmental geology notes 74

 

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