Hollow and Habitable Within: Symmes's Theory of Earth's Internal Structure and Polar Geography

@article{Griffin2004HollowAH,
  title={Hollow and Habitable Within: Symmes's Theory of Earth's Internal Structure and Polar Geography},
  author={D. Griffin},
  journal={Physical Geography},
  year={2004},
  volume={25},
  pages={382 - 397}
}
In 1818, John Cleves Symmes (1780-1829) circulated a flyer announcing his theory of Earth's structure and polar geography. Declaring that Earth is "hollow, and habitable within; containing a number of solid concentric spheres, one within the other, and that it is open at the poles 12 or 16 degrees," Symmes solicited "one hundred brave men" for an expedition north of the 82nd parallel in search of "a warm and rich land, stocked with thrifty vegetables and animals, if not men." So began the… Expand
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