[QUOTE=ethereal_reality;6991792]
mystery location.

old file / possibly ebay
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It appears there are cars parked on the tracks...?
Follow the overhead wires carefully. The wire over the near- apparently rusty- track veers to the pole on the other side of the street, and the bracket arm is only over the far track. This is the end of the line. Thus check your LARy-LATL map for the end [s] of the S route. You may need an assortment of years to see if the S line had been cut back