| 000 | 00758cam a22002171 4500 | ||
|---|---|---|---|
| 008 | 151025s1939 paua 000 0 eng c | ||
| 040 |
_aBureau of Railway Economics _cWMaUCS _dDLC |
||
| 043 | _an-us-il | ||
| 092 | 0 | 4 |
_a385.312 _bU5812 _221 |
| 099 |
_a04 _a385.312 U5812 |
||
| 110 | 2 | _aUnion Switch and Signal Company. | |
| 245 | 1 | 0 | _aFreight classification yards : design and operation. |
| 260 |
_a[Swissvale, Penn.] _bUnion swith & signal company, _c1926. |
||
| 300 |
_a69 p. _bcol. front., illus. (part col.) diagrs. (2 fold.) _c23 cm. |
||
| 490 | 0 |
_aUnion Switch and Signal Company.; Bulletin; _v155. |
|
| 650 | 0 |
_aRailroad terminals _zIllinois _zChicago. |
|
| 650 | 0 | _aRailroad yards. | |
| 905 |
_aJamal _eCat. |
||
| 905 | _eRev. | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c141012 _d141012 |
||