B-70-65 Box Cars:
EFCX 3901-4400 (to SP 292612-293096)
These 50'-6" box cars were built by PC&F in 1972. They featured 5116 ft3 capacity and 8'+8' Youngstown plug doors. They were transferred to SP, repainted and renumbered as above in 1978-79. Also, these cars have those funny looking boxy structures on the sides at each end with some kind of cable arrangement. These are vents for paper pulp service. Thanks to Jim Eager for additional info on these cars.
See also:

Photo by: Clyde King
EFCX:
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Clyde King |
San Francisco, CA; 8/1974 |
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Steve Vincent |
Indio, CA; 06/15/1975 |
SP:
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Rob Sarberenyi |
Fremont, CA; 7/2002 |
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Rob Sarberenyi |
Fremont, CA; 7/2002 |
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Lee A. Gautreaux |
Lafayette, LA |