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00696nam a22001931a 4500 |
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UNA01000064904 |
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20120328192046.0 |
| 008 |
080728s1999 000 0 eng d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a 631.47
|b E27e
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| 245 |
0 |
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|a Effects of land use on upland erosion, sediment transport and reservoir sedimentation. Lago Loiza Basin, Puerto Rico /
|c A.C. Gellis ... et.al.
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| 260 |
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|a Puerto Rico: :
|b U.S. Geological Survey, ,
|c 1999
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| 300 |
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|a 60 p.
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| 490 |
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|a Water Resources Investigations Report 99-4010
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| 650 |
0 |
4 |
|a UTILIZACION DE LA TIERRA
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| 650 |
0 |
4 |
|a EROSION
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| 650 |
0 |
4 |
|a SEDIMENTACION
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| 650 |
0 |
4 |
|a SUELO
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| 650 |
0 |
4 |
|a PUERTO RICO
|