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Old 11-07-08 | 11:50 AM
  #6  
JeffC
Senior Member
 
Joined: Oct 2007
Posts: 195
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From: Washington DC Area
I'm not sure I'm using "at grade" correctly. I mean that when you cross the 66 onramp and Lee Highway, you are on flat ground, that is not travelling uphill or downhill.
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