Capp, John P. <br/><br/>
Fly ash utilization :  a summary of applications and technology / 
by ... and John D. Spencer 
 - Washington :  U.S. Dept. of the Interior, Bureau of Mines,  1970 
 - 72 p. 
 - Information circular ;  no. 8483 .
 - United States.  Bureau of Mines.  Information circular ;  no. 8483 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fly ash