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"Coal mines and mining Pennsylvania Management." » "Coal lines and mining Pennsylvania Management."
1
Record Source: Published Materials
Subjects and Genres: '; ...Coal mines and mining Pennsylvania Management....
Book
2
Published 1856
Record Source: Published Materials
Subjects and Genres: '; ...Coal mines and mining Pennsylvania Management....
Book
3
Published 1892
Record Source: Published Materials
Subjects and Genres: '; ...Coal mines and mining Pennsylvania Management....
Book