000 00952cam a22002291 4500
082 _a385
_bPUB
_cL-18, P-3.
110 1 _aUnited States.
_921185
245 1 0 _aPublic aids to transportation...
_bPublished after expiriation of Emergency railroad transportation act, 1933. Section of research, Federal coordinator of transportation.
260 _aWashington,
_bU.S. Govt. print. off.,
_c1938-40.
300 _a4 v.
_billus.
_c29 cm.
526 _a0
_b0
_c0
_d385_000000000000000_PUB
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650 0 _aAeronautics, Commercial
_zUnited States.
_938338
650 0 _aInland navigation
_zUnited States.
_938339
650 0 _aMCE
_9379
650 0 _aRailroads
_zUnited States.
_938340
650 0 _aTransportation
_zUnited States.
_919959
650 0 _aTransportation, Automotive
_zUnited States.
_938341
942 _2ddc
_cBK
999 _c542955
_d542955