| 000 | 00655cam a2200157 i 4500 | ||
|---|---|---|---|
| 020 | _a0309029678 | ||
| 082 | 0 | 0 |
_a625.709788 _bNAT |
| 110 | 2 | _aNational Research Council (U.S.). | |
| 245 | 1 | 0 |
_aEngineering solutions to environmental constraints : _bI-70 over Vail Pass / _cTransportation Research Board, Commission on Sociotechnical Systems, National Research Council. |
| 260 |
_aWashington, D.C. : _bNational Academy of Sciences, _c1979. |
||
| 300 |
_aiii, 47 p. : _bill. ; _c28 cm. |
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| 650 | 0 |
_aExpress highways _zColorado _zVail Pass _xDesign and construction. |
|
| 650 | 0 |
_aRoads _xEnvironmental aspects _zColorado _zVail Pass. |
|
| 650 | 0 | _aMCE | |
| 942 | _cBK | ||
| 999 |
_c7816 _d7816 |
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