File:Coal mining.png: Difference between revisions

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Latest revision as of 16:37, 11 April 2022

Summary

Title / Description


Diagram of various coal mining methods
Author(s)


Stephen Greb
Copyright holder


Stephen Greb and Kentucky Geological Survey
See below for license/re-use information.
Source


http://www.uky.edu/KGS/coal/coal_mining.htm
Date created


Don't know
Country of first publication


United States
Notes


See Talk page of this image file for documentation of the permission to use this image.
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Licensing/Copyright status

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This media, Coal mining.png, is copyrighted, all rights reserved.

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This media may not be used under those or closely similar terms without separate permission of the copyright holder, or the user's own fair use determination.

This image's copyright information has been verified by Drew R. Smith on 08:32, 29 August 2009 (UTC).The copyright information can be found here

File history

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Date/TimeThumbnailDimensionsUserComment
current18:55, 11 March 2022Thumbnail for version as of 18:55, 11 March 2022646 × 335 (12 KB)Maintenance script (talk | contribs)== Summary == Importing file

The following 2 pages use this file: