Contour map of a portion of the lake bottom in the Chicago region

Call Number: 
3310 d3-5
Author: 
J Harlen Bretz
Publisher: 
Illinois State Geological Survey
Date: 
1955
Map Description: 
1 map : linen ; 23 x 23 cm
Notes: 
Original linen for figure 4, Illinois State Geological Survey Bulletin 65, part II
Keywords: 
Lake Michigan - Bottom topography; Bathymetry;
Scale: 
ca. 1:170,000
Added Entries: 
Illinois State Geological Survey Bulletin 65

 

Manuscripts, maps, fieldnotes, and photographs may be viewed in-house only. Please contact the ISGS Special Collections Curator, Anne Huber, for an appointment at 217-300-0005 or email huber@illinois.edu Monday thru Friday, 8am-noon or 1pm-5pm.