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1
Published 1937
Subjects and Genres: ';
“...Anthracite coal Pennsylvania....”
Record Source:
Published Materials
Book
2
Published 1937
Subjects and Genres: ';
“...Anthracite coal Pennsylvania....”
Record Source:
Published Materials
Book
3
Published 1937
Subjects and Genres: ';
“...Coal mines and mining Pennsylvania....”
Record Source:
Published Materials
Book
4
Published 1937
Subjects and Genres: ';
“...Coal mines and mining Pennsylvania....”
Record Source:
Published Materials
Book