Hvorslev, M. Juul. <br/><br/>
Subsurface exploration and sampling of soils for civil engineering purposes-report by Huorsler   
by M Juul Hvorslev. 
 - New York  Engg.Foundation  1962 
 - xi,521p.incl.index 
<br/><br/><label>Dewey Class. No.: </label>624.151072  / N49