Santa Clarita Valley History In Pictures
> ST. FRANCIS DAM DISASTER
SPRR Track Erosion
Castaic Junction | St. Francis Dam Disaster


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According to St. Francis Dam historian J. David Rogers, the floodwaters have removed the earthen material supporting the Southern Pacific Railroad tracks at Castaic Junction (Castaic switch).



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As he shows in the two images above, local historian Jason Brice places the 1928 photographer southwest of the junction, looking northeast.



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J. David Rogers writes (2014): Here is a clip from my flood inundation map of (the Castaic Junction) area. The flood waters diverted around the north side of the promontory would have swept in from the east, nearly perpendicular to that tracks in vicinity of Oberg Siding, and the erosion would have been severe along the oversteepened banks along the eastern side of the Santa Clara River Channel, which is noticeably incised. That explains how the tracks shifted 200 feet to the west.


RO2803b: 19200 dpi jpeg. Online image only.
LADWP Archive
CASTAIC JUNCTION
St. Francis Dam Disaster

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Flood Path Aerials x3

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High Water Mark

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SPRR Tracks Moved

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SPRR Track Erosion

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Highway Pile Driver

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Highway Pile Driver

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Highway Pile Driver

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