Category:The Earth
Pages in category "The Earth"
The following 13 pages are in this category, out of 13 total.
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- Popular Science Monthly/Volume 10/March 1877/How the Earth was Regarded in Old Times
- Popular Science Monthly/Volume 17/August 1880/The Interior of the Earth II
- Popular Science Monthly/Volume 17/July 1880/The Interior of the Earth I
- Popular Science Monthly/Volume 33/October 1888/What Is Known of the Earth
- Popular Science Monthly/Volume 44/December 1893/How Old Is the Earth
- Popular Science Monthly/Volume 44/February 1894/The Shape of the Earth from a Pendulum
- Popular Science Monthly/Volume 47/July 1895/The Bowels of the Earth