File:Longwall history fig 7.jpg

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Mine Index(s):	999-9999
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File Type:	Illustration
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Caption	Figure 7. Details of operation shown in figure 6 (Toenges 1936).
Publication	Bauer, Robert A., 2015 (version), History of Longwall Coal Mining in Illinois, Illinois State Geological Survey, Unpublished Manuscript Files, pp. 15.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	15:19, January 25, 2021		1,565 × 2,000 (1.18 MB)	Alan.Myers (talk \| contribs)

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Author	ISGS
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop 21.0 (Windows)
File change date and time	11:32, January 25, 2021
Color space	sRGB
Date and time of digitizing	02:57, November 16, 2015
Date metadata was last modified	05:32, January 25, 2021
Unique ID of original document	uuid:e1af2646-bc69-4a82-9f46-600c9ef78767
Short title	Longwall Mines - Using Hand Mining