Watson, K. L. <br/><br/>
Slate waste  engineering and environmental aspects 
[by] K. L. Watson 
 - London  Applied Science Publishers  1980 
 - xii, 200 p.  ill.  23cm 
<br/><br/>Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Slate industry--Waste disposal<br/>Slate
<br/><br/><label>Dewey Class. No.: </label>620.1  / 32