File:Penn carbondale 4-31.jpg

Revision as of 17:12, 23 December 2020 by IlLex (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search
Original file(2,233 × 3,000 pixels, file size: 858 KB, MIME type: image/jpeg)

Figure 4-31. Graphic log of the Audubon Oil & Gas No. 1 Fritschle borehole in sec. 20, T 6 N, R 9 E, Jasper County, Illinois, the reference section for the Wheeler and Bevier Coals in Illinois. © University of Illinois Board of Trustees.

File history

Click on a date/time to view the file as it appeared at that time.

current17:11, 23 December 2020Thumbnail for version as of 17:11, 23 December 20202,233 × 3,000 (858 KB)IlLex (talk | contribs)
  • You cannot overwrite this file.

The following 2 pages link to this file: