Difference between revisions of "File:Penn carb fig65.jpg"
Latest revision as of 23:00, 8 March 2016
Fig. 65 -- "Blue band" at Francisco Mine portal where Herrin Coal is reduced to streaks.
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|current||19:15, 8 March 2016||2,000 × 1,530 (1.22 MB)||IlLex||"Blue band" at Francisco Mine portal where Herrin Coal is reduced to streaks|
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