Effects of land use on upland erosion, sediment transport, and reservoir sedimentation, Lago Loíza Basin, Puerto Rico 
by Allen C. Gellis ... [et al.] ; in cooperation with the Puerto Rico Aqueduct and Sewer Authority. 
 - San Juan, P.R.  Denver, CO  U.S. Dept. of the Interior, U.S. Geological Survey  Branch of Information Services (distributor)  1999. 
 - vii, 60 p.  ill., maps (some col.)  28 cm. 
 - Water resources investigations report  99-4010 .
<br/><br/> one map on 1 folded leaf laid in. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Land use, Rural--Puerto Rico--Carraízo Reservoir Watershed.<br/>Sedimentation and deposition--Puerto Rico--Carraízo Reservoir Watershed<br/>Reservoir sedimentation--Puerto Rico--Carraízo Reservoir Watershed.
<br/><br/><label>Dewey Class. No.: </label>627.86  / E275