Nichols, Herbert L. <br/><br/>
Modern techniques of excavation/ 
Herbert L. Nichols; illustrated by Helen Schwagerman 
 - Connecticut:  North castle Books,  c1956 
 - xv, [ca. 550 p.] :  ill.;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> $ 9.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Excavation<br/>Earthwork<br/>Civil engineering
<br/><br/><label>Dewey Class. No.: </label>624.152