The Climate Divide is changing
Last updated 5/16/2018 at 10:37am
In 1878, John Wesley Powell, solider, geologist, explore and professor, placed an imaginary longitudinal line on a map based on his exploration observations. That line, he explained, represented the separation of the dry and arid west and the humid east of the United States. That line goes through all of North America and is the 100th Meridian.
Powell was best known for his exploration of the Gran...
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