Report of the Committee on Conservation of Metallurgical Coal 

 -  1951 
<br/><br/><label>Standard No.: </label>95027 
<br/><br/><label>Source: </label> Reports 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal Industry
<br/><br/><label>Dewey Class. No.: </label>"X9(F551).2.N50t, J1/GD"