McDivitt, James F. <br/><br/>
Small-scale mining :  a guide to appropriate equipment / 
prepared by James F. McDivitt, Dennis Lock ...[et al.]. 
 - London:  Intermediate Technology Pub.;  1990. 
 - 98p. :  ill. ;  28 cm. 
<br/><br/><label>LCCN: </label>90031137 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mining engineering.
<br/><br/><label>Dewey Class. No.: </label>622