Annual report of the bureau of flood control Jan - Nov. 1951  

 - U.N. ESCAP  Bangkok 
 - 26p. 
<br/><br/><label>Nat. Bib. No.: </label>1115 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>627.15