000 | 00503 a2200145 4500 | ||
---|---|---|---|
080 |
_a631.4:778 _bJ 52 O |
||
245 | 1 |
_aOrigin, distribution and airphoto identification of United States soils with special reference to airport and highway engineering _cby D.S. Jenkins, et. al. |
|
260 |
_aWashington, D.C. _c1946 |
||
650 | _aSoils | ||
650 | _aEngineering | ||
440 |
_aNo. 52 _vU.S. Department of Commerce, Civil Aeronautics Admi |
||
100 | 1 |
_aJenkins, D.S. _d |
|
300 | _a202 p. | ||
901 | _a21391 | ||
999 |
_c43749 _d43749 |