Bond, Ralph Hurd,  1909- <br/><br/>
Physical land conditions in the farm security soil conservation district, Harmon county, Okla., 
by Ralph H. Bond ... 
 - Washington, D.C.,  United States Dept. of agriculture, Soil conservation service  [1946] 
 - 41 p. incl. illus. (incl. map, diagrs.) tables.  26 cm. 
 - U.S. Soil conservation service. Physical land survey  no. 40 .
 - Physical land survey ;  no. 40. .
<br/><br/><label>LCCN: </label>agr46000297  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Land use--Oklahoma--Harmon County.<br/>Soil conservation--Oklahoma--Harmon County.
<br/><br/><label>LC Class. No.: </label>S623  / .U44 no. 40 
<br/><br/><label>Dewey Class. No.: </label>333.7