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Pennsylvania Department Of Labor And Industry
1
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A review of methods to determine free-silica content of dusts with special reference to x-ray analys


Landsberg, Helmut Erich, 1906-1985.
[Pittsburgh, Pa.? : Commonwealth of Pennsylvania, Dept. of Labor and Industry, 1941] 1941

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Location Call No. OPAC Message Status
 Axe Special Collections Picher Mining  363.11 L239r 1941    ---  Lib Use Only
2
Print Serial
 

Safety standards of the Industrial Board.


Pennsylvania. Department of Labor and Industry.
Harrisburg, Pa. : Pennsylvania Department of Labor and Industry, 1915

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Location Call No. OPAC Message Status
 Axe Special Collections Picher Mining  613.6209748 P384s  v. 1 no. 14; 1916    ---  Lib Use Only
 Axe Special Collections Picher Mining  613.6209748 P384s  v. 1 no. 12; 1916    ---  Lib Use Only
 Axe Special Collections Picher Mining  613.6209748 P384s  v. 1 no. 2; 1915    ---  Lib Use Only
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