SUB-PROVINCES, CLASSES, TYPES AND SURVEYS 119 



Fio. f>4. Soil Samplers: (1) ono-inrh field auger; (2) one and one-half inch sampling 

 auger; (3) rods for extension of auger for examining deep subsoil; (4) King sampling tube, 

 (5) hammer fur forcing tube into soil and bar for lifting it out again. 



