1. Flood control retarding basin 2. Drainage of low-lying areas 3. Stormwater runoff control measures 4. Measures to prevent clogging at river mouths [video cassette] 

 - Japan  [date of publication not identified] 
 - 1 videocassette (60 min.) : sd. , col 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flood--Japan.<br/>Drainage--Japan.<br/>Rivers--Japan.<br/>Stormwater--Japan.