Bortz, Seymour A.,  1922- <br/><br/>
Accomplishments in waste utilization :  a summary of the Seventh Mineral Waste Utilization Symposium / 
compiled by S.A. Bortz and R.S. DeCesare. 
 - Avondale, Md :  U.S. Dept. of the Interior, Bureau of Mines,  [1982]. 
 - 88 p. :  ill. ;  28 cm. 
 - Bureau of Mines information circular ;  8884 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Recycling (Waste, etc.).
<br/><br/><label>Dewey Class. No.: </label>604.6