books.google.co.uk - During the California Gold Rush, amateur and professional boxing almost immediately gained a strong foothold in northern California, as the gold fields and mining camps provided both employment and a venue for these athletes. In these times, many of the world's best fighters made their way to the canvas...http://books.google.co.uk/books/about/Boxing_in_San_Francisco.html?id=l0Tp3W1PWkAC&utm_source=gb-gplus-shareBoxing in San Francisco
