| 000 | 00949cam a2200217 i 4500 | ||
|---|---|---|---|
| 020 | _a0309029767 | ||
| 082 | 0 | 0 |
_a625.73 _bNAT |
| 110 | 2 |
_aNational Research Council (U.S.). _920017 |
|
| 245 | 1 | 0 |
_aControl of erosion Control de erosión=Contrôle de l'érosion / _cTransportation Research Board, Commission on Sociotechnical Systems, National Research Council. |
| 260 |
_aWashington, D.C. : _bNational Academy of Sciences, _c1979. |
||
| 300 |
_axxx, 316 p. : _bill. ; _c28 cm. |
||
| 500 | _a"Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development." | ||
| 500 | _aEnglish, French, and Spanish. | ||
| 500 | _aIncludes index. | ||
| 526 |
_a0 _b0 _c0 _d625_730000000000000_NAT |
||
| 650 | 0 |
_aMCE _9379 |
|
| 650 | 0 |
_aRoad drainage _zDeveloping countries. |
|
| 650 | 0 |
_aRoads _zDeveloping countries _xMaintenance and repair. _920780 |
|
| 650 | 0 |
_aSoil erosion _zDeveloping countries. _943707 |
|
| 942 |
_2ddc _cBK |
||
| 999 |
_c547519 _d547519 |
||