1) Black diamond

Language
English

2) Coal production

Pub. Date
19uu
Language
English

3) Coal-- Pennsylvania anthracite

Series
Energy data reports
Pub. Date
1980
Language
English

7) Annual coal report

Pub. Date
2001
Language
English

8) ... state of Indiana coal report

Author
Indiana. Bureau of Mines and Mine Safety
Pub. Date
2012-2013.
Language
English

13) Coal industry annual

Pub. Date
1993
Language
English

14) Biennial report

Author
Ohio. Board on Unreclaimed Strip Mined Lands
Pub. Date
19uu
Language
English

16) Respirable Dust Center research program review

Pub. Date
1989
Language
English

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