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Two new papers find that the line that divides the moist East and arid West is edging eastward due to climate change—and the implications for farming and other pursuits could be huge.
An Invisible Boundary That Divides The US Has Started to Shift Out
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Out Past the 100th Meridian
The 100th Meridian, Where the Great Plains Begin, May Be Shifting
Ranching west of the 100th Meridian - Canadian Cattlemen
The 100th Meridian Is Moving East
What's the difference between the Midwest and the Great Plains
Great Plains: Frazier, Ian: 9780374217235: : Books
The 100th Meridian Is Moving East
Northern Great Plains
Crossing the Great Plains
The Conservation Question, Part 2: Lessons Written in Dust
The One Minute Geographer: The Great Plains — High Plains and Low
Whither the 100th Meridian? - Dr. Richard Seager
History with Phil: John Wesley Powell and the 100th meridian
