File:Coal Ball Structures.jpg
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Original upload log
Transferred from en.wikipedia to Commons by Logan using CommonsHelper.
The original description page was here. All following user names refer to en.wikipedia.
- 2011-08-23 03:52 Σ 400×266× (75140 bytes) {{OTRS pending}} {{Information |Description = A thin section of a [[coal ball]] from Indiana, United States of America. |Source = http://spectrum.troy.edu/~barwood/minshall_coal.htm |Date = ~~~~~ |Author = Henry L. Barwoo