Agriculture and water quality in the great plains:  Status and recommendations 

 - Texas  GPACWQTF  1992 
 - viii,24p  pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality:--Great plains<br/>Agriculture:--Great plains
<br/><br/><label>LC Class. No.: </label>TD370.G7. 1992