Standard practice for classification of soils for engineering purposes (unified soil classification system) :  Designation: D 2487-06 

 - Weat Conshohocken, PA :  ASTM International,  2006 
 - 11 p. :  ill. ;  30 cm. 
<br/><br/><label>ISBN: </label>RUJ0000106(Local) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Classification--Standards<br/>Soils--Classification<br/>Standards, Engineering