State Laws Relating to Coal-mine Timbering

Title	State Laws Relating to Coal-mine Timbering PDF eBook
Author	James Washington Paul
Publisher
Pages	64
Release	1928
Genre	Coal mines and mining
ISBN

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Title	State Laws Relating to Coal-mine Timbering PDF eBook
Author	James Washington Paul
Publisher
Pages	64
Release	1928
Genre	Coal mines and mining
ISBN

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Technical Paper

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Title	Technical Paper PDF eBook
Author	United States. Bureau of Mines
Publisher
Pages	1134
Release	1936
Genre	Mines and mineral resources
ISBN

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Title	Bibliography of United States Bureau of Mines Investigations on Coal and Its Products, 1910-35 PDF eBook
Author	Arno Carl Fieldner
Publisher
Pages	154
Release	1937
Genre	Coal
ISBN

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Title	Publications PDF eBook
Author	United States. Division of Vocational Education
Publisher
Pages	1396
Release	1932
Genre	Vocational education
ISBN

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Title	Bulletin PDF eBook
Author	United States. Federal Board for Vocational Education
Publisher
Pages	116
Release	1931
Genre	Vocational education
ISBN

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