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January 21, 2019 at 3:04 pm
#9250
Bill Pollard
Participant
A question was asked on Facebook whether QQ in the QQ tower name referred to a telegraph call. No… the letter designations extended down the railroad covering junctions (transitions from single to double track, etc.) and interlocking plants. More research is needed to determine when MP implemented this naming system, but a dispatcher sheet from 1940 provides the actual telegraph calls in use at the time.
[attachment=0:ajbw4cc1]telegraph-calls.jpg[/attachment:ajbw4cc1]
