Thread: Interesting graphs and charts department
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Old 10-08-2015, 07:19 AM   #3
glatt
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Join Date: Jul 2003
Location: Arlington, VA
Posts: 27,717
Quote:
Originally Posted by xoxoxoBruce View Post
What are the green lines, shipping channels, flight lines?
Gotta be shipping. They go around land masses instead of across them.
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