File:Penn carbondale 4-4.jpg
Original file (1,064 × 1,745 pixels, file size: 702 KB, MIME type: image/jpeg)
Figure 4-4. Thickness of the Carbondale Formation in Illinois. From Willman et al. (1975), based on a map by K.E. Clegg. Copyright ©1975 University of Illinois Board of Trustees.
Click on a date/time to view the file as it appeared at that time.
|current||20:56, 22 December 2020||1,064 × 1,745 (702 KB)||IlLex|
- You cannot overwrite this file.