# File lib/geokit/mappable.rb, line 310
    def reverse_geocode(options = { :using => Geokit::Geocoders::MultiGeocoder })
      if options[:using].is_a?(String) or options[:using].is_a?(Symbol)
        provider = Geokit::Geocoders.const_get("#{Geokit::Inflector::camelize(options[:using].to_s)}Geocoder")
      elsif options[:using].respond_to?(:do_reverse_geocode)
        provider = options[:using]
      else
        raise ArgumentError.new("#{options[:using]} is not a valid geocoder.")
      end
      
      provider.send(:reverse_geocode, self)
    end