Common Salt

Author: Top of the Rock Astronaut / Labels:

By this we mean salt used for cooking purposes, which is found in great abundance both on land and in the waters of the ocean. Sea or salt water, as it is often called, contains, it has been discovered, about three per cent, of salt on an average. Solid rocks of salt are also found in various parts of the world, and the county of Chester contains many of these mines, and it is from there that much of our salt comes. Some springs are so highly impregnated with salt, as to have received the name of "brine" springs, and are supposed to have become so by passing through the salt rocks below ground, and thus dissolving a portion of this mineral substance.

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