The only long-term profitable ore to be mined, however, was borax, a mineral used to make soap and an important industrial compound. Today, borax is an essential component of high-temperature resistant boro-silicate glass products, for example some Pyrex glass products. Twenty-mule teams were used to transport ore out of the valley; helping to make it famous and the subject of books, radio programs, television series, and movies.
Death Valley National Park - Wikipedia, the free encyclopedia
I not too long ago purchased some Twenty Mule Team Borax…
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