McCaughey, W. J.  1882-1962. <br/><br/>
The microscopic determination of soil-forming minerals. 
By W.J. McCaughey and William H. Fry ... 
 - Washington,  Govt. print. off.,  1913. 
 - 100 p. incl. tables, diagrs. fold. tab., fold. diagr.  23 cm. 
 - United States. Bureau of Soils. Bulletin  no. 91 .
<br/><br/>Bibliography: p. 99-100. 
<br/><br/><label>LCCN: </label>agr13000347  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Analysis.
<br/><br/><label>LC Class. No.: </label>S591  / .A12 no. 91