Davis, Royall Oscar Eugene,  1880- <br/><br/>
The electrical bridge for the determination of soluble salts in soils. 
By R.O.E. Davis and H. Bryan. 
 - Washington,  Govt. print. off.,  1910. 
 - 36 p. incl. tables, diagrs.  V pl. (3 fold. in pocket)  23 cm. 
<br/><br/><label>LCCN: </label>agr10001824  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Analysis.<br/>Salts, Soluble.
<br/><br/><label>LC Class. No.: </label>S591  / .A12 no. 61