Before the Gold Rush of 1848-1858, Alta (Upper) California was an isolated cattle frontier--and home to a colorful group of Spanish-speaking, non-indigenous people known as Californios. Profiting from the forced labor of large numbers of local Indians, they carved out an almost feudal way of life, raising cattle along the California coast and valleys. Visitors described them as a good-looking, vibrant, improvident people. Many traces of their...