File:30 CFR 1993 Page 34.png

Summary

Description
English: Illustration from page 34 of Figure D-2.
Source
Author Mine Safety and Health Administration
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(Reusing this file)
Public domain
This work is in the public domain in the United States because it is a work of the United States Department of Labor under the terms of Title 17, Chapter 1, Section 105 of the US Code and the DOL copyright policy. See Copyright.

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Public domain
Public domain
Category:PD US DOL#30%20CFR%201993%20Page%2034.png
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