Where Water Runs Up Hill.

Issue 6 and Volume 1892 12.

Where Water Runs Up Hill. The mouth of the Mississippi river is three miles higher than its source. That is in Minnesota, where the Mississippi rises, is three miles nearer the centre of the earth than is the Gulf of Mexico. In the reason for such a difference in the level will be found the explanation of the river’s uphill How. As any schoolboy will tell us, the earth is a ball flattened at the poles. The flattening, while comparatively insignificant, is still sufficient to make the polar diameter twenty-eight miles shorter than the equatorial diameter, in other words, the noith and the south pole are fourteen miles nearer the earth’s centre than is the equator. Now, the distance from the north pole to the equator, measured along the earth’s surface, is 6oo(3 miles, and the distance from the source to the mouth of the Mississippi is about 1500 miles,…

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