A \ c ka- 
HAWAU AGRICULTURAL EXPERIMENT STATION 
HONOLULU, HAWAII 
Under the Joint supervision of the 
UNITED STATES DEPARTMENT OF AGRICULTURE 
AND THE UNIVERSITY OF HA WAD 
BULLETIN No. 62 
PHYSICAL PROPERTIES 
OF HAWAII SOILS 
WITH SPECIAL REFERENCE TO 
THE COLLOIDAL FRACTION 
BY 
CHARLES RICHTER, Assistant Chemist 
July, 1931 
%*.«€/' 
>" 
UNITED STATES DEPARTMENT OF AGRICULTURE 
OFFICE OF EXPERIMENT STATIONS 
For sale by the Superintendent of Documents, Washington, D. C. .... Price 15 cent* 
