62 

 PRACTICE 29 



Soils 



Grams 



Percent 



Grams 



Percent 



Wt. of crucible 



Wt. of cru.+air dry soil. 

 Wt. after drying in oven. 



Hygroscopic moisture 



Wt. after ignition 



Loss on ignition 



Clay, less than .001 



Silt .001-.01 



Fine sand .01-1 



Sand .1-1 



Gravel 1-more 



