Chafin  aniel <br/><br/>
Effects of land use on water quality of the fountain creek alluvial aquifer, east-central Colorado. 

<br/><br/><label>Standard No.: </label>Supply paper 2381-D 
<br/><br/><label>Subjects--Index Terms: </label>GEOLOGIA AGUAS 
<br/><br/><label>Universal Decimal Class. No.: </label>55