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1Published 1981“...Report of investigations (United States. Bureau of Mines) ;...”
Government Document Book -
2by Cecala, Andrew B.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1984
Government Document Book -
3Published 1983“...Report of investigations (United States. Bureau of Mines) ;...”
Government Document Book -
4by Volkwein, J. C. (Jon C.)“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1983
Government Document Book -
5by Cecala, Andrew B.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1985
Government Document Book -
6by Cecala, Andrew B.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1988
Government Document Book -
7by Cecala, Andrew B.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1993
Government Document Microform Book -
8Reducing respirable dust levels during bag conveying and stacking using bag and belt cleaner device.by Cecala, Andrew B.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1995
Government Document Microform Book -
9by Cecala, Andrew B.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1984
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Government Document Book -
10by Cecala, Andrew B.“...Report of investigations (United States. Bureau of Mines) ;...”
Published 1984
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Government Document Book