books.google.co.uk - Perhaps never in the time-honored American tradition of frontiering did "civilization" appear to sink so low as in gold rush California. A mercurial economy swung from boom to bust, and back again, rendering everyone's fortunes ephemeral. Competition, jealousy, and racism fueled individual and mass violence....http://books.google.co.uk/books/about/Rooted_in_Barbarous_Soil.html?id=F3SnmtdZsbEC&utm_source=gb-gplus-shareRooted in Barbarous Soil
