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John Muir National Historic SiteWanda, Helen, Louie, and John
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John Muir National Historic Site
History & Culture
Did You Know?  

Did You Know?
Mules are a cross between two animals, a mare (female horse) and a jack (male donkey). This hybrid gives us that smart, sure-footed, strong, high endurance animal with that loving personality that Muir enjoyed in a creature called "Brownie".

Last Updated: September 15, 2006 at 11:44 EST