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  1. Path: sparky!uunet!think.com!paperboy.osf.org!hsdndev!dartvax!R.Todd.Minsk
  2. From: R.Todd.Minsk@dartmouth.edu (R. Todd Minsk)
  3. Newsgroups: rec.railroad
  4. Subject: Track spirals (was Re: Unusual tunnels?)
  5. Message-ID: <1992Dec24.000745.25559@dartvax.dartmouth.edu>
  6. Date: 24 Dec 92 00:07:45 GMT
  7. References: <18529@mindlink.bc.ca> <2639@eagle.ukc.ac.uk> 
  8.  <921221150756@cream.ftp.com> 
  9.  <1992Dec22.222343.5650@mailhost.ocs.mq.edu.au>  
  10.  <168C67E89.M00209@MBVM.Mitre.Org>
  11. Sender: news@dartvax.dartmouth.edu (The News Manager)
  12. Organization: Dartmouth College, Hanover, NH
  13. Lines: 8
  14. X-Posted-From: InterNews1.0a5@newshost.dartmouth.edu
  15.  
  16. There are also some spirals used to gain elevation for crossing major
  17. bridges.  I have a circa-1950 track chart for the Chicago & Eastern
  18. Illinois (later Missouri Pacific, now Union Pacific) showing a spiral
  19. for the Mississippi bridge between Thebes, Illinois and Illmo,
  20. Missouri. Without checking, I think the spiral is on the Illinois side.
  21.  Does anyone recall other railroad bridges with such a pattern?
  22.  
  23. Todd Minsk, ferro-bibliographer
  24.