Schreiner, Oswald,  1875- <br/><br/>
Occurrence and nature of carbonized material in soils. 
By Oswald Schreiner ... and B.E. Brown ... 
 - Washington,  Govt. print. off.,  1912. 
 - 28 p.  VII pl. on 4 l.  23 cm. 
<br/><br/><label>LCCN: </label>agr13000003  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Analysis.
<br/><br/><label>LC Class. No.: </label>S591  / .A12 no. 90