File:Figure 15..png
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Block of thinly interlaminated bright coal, bone coal, and carbonaceous shale from the northeastern part of the Sahara Mine No. 16, where as much of 12 ft of interlaminated coal/shale overlie about 6 ft of normal Springfield (No. 5) Coal. (Scale in cm.)
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current | 14:18, February 14, 2024 | 1,090 × 410 (591 KB) | Samantha.Hager (talk | contribs) |
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