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There are also huge salt evaporation ponds in the San Fransisco Bay area.

Salt evaporation is big business in many third world coastal nations. A small farmer can build a series of evaporation...

You guys are really over-complicating this. It is a survival skill from before there was an official stone age. I am sure pre-humans were along with the other animals that sought out the salt licks...

OK Rick, how do you concentrate something by adding water? The articles I read stated that the concentrated water was drained from the pans and stored in sumps with roofs when it rained to protect...

Polutants are going to be dependent on where you are. 3/4 of the Earth is water so you are going to have to camp out next to the sewer plant to have a concentration of sea water pollution you should...