North Dakota State University
Fargo, N.D.
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Browsing U.S. Department of the Interior by Subject "Coal mines and mining"
Now showing items 1-3 of 3
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(Accessioned on 2009-11-27)
Date: 1978 -
(Accessioned on 2009-12-02)
Date: 1979 -
(Accessioned on 2009-08-28)
Date: 1976
Now showing items 1-3 of 3