NICHOLS, HERBERT L. <br/><br/>
EARTH THE MOVING  THE WORKBOOK OF EXCAVATION 

 - 3 
 - U.S.A.  NORTH CASTLE BOOKS  1976 
 - 21134 pag  25 cm 
 - 0  0 .
<br/><br/>WORK-MACHINES 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIAS PURAS
<br/><br/><label>Dewey Class. No.: </label>525  / N54