File:Figure 20..png

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Part of Old Ben Mine No. 21 in Franklin County, showing channels, split coal, rolls, and related features.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	08:27, February 15, 2024		778 × 628 (234 KB)	Samantha.Hager (talk \| contribs)

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Horizontal resolution	47.24 dpc
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