Joe WalkerJOE WALKER was a famous 19th century explorer, known for founding and naming Independence, Missouri. He was the first Euro American to enter California across the Sierras; and the first to see Yosemite. In 30 years of leading men into unmapped wilderness, he was renowned for never losing a man. Thirty years after his first California expedition, during the middle years of the Civil War, 65 year old Walker took an expedition of untrained men into the