> > I find myself driving down Route 66.  On our way through Arizona, I was 
> > surprised by what look like a lot of old-style microwave links.  They 
> > pretty much follow the East-West rail line - where I'd expect there's a lot 
> > of fiber buried.

Could they be a legacy of the Southern Pacific Railroad Internal Network 
Telecommunications,
now known under the acronym SPRINT?
        - Brian

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