00 Only recently has the astonishing modern theory of moving crustal plates enabled us to understand fully how the picturesque landscape of the San Francisco Bay Region and its surrounding areas has come into existence. In this book Howard tells the dramatic story, illustrated by clear, graphic sequential drawings: the continual remaking of the earth's surface on a time scale so immense human minds can scarcely grasp it. Only recently has the astonishing modern theory of moving crustal plates enabled us to understand fully how the picturesque landscape of the San Francisco Bay Region and its surrounding areas has come into existence. In this book Howard tells the dramatic story, illustrated by clear, graphic sequential drawings: the continual remaking of the earth's surface on a time scale so immense human minds can scarcely grasp it.