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r <br /> <br />^ <br />GEOLOGY. . ,.,,_ 3 <br />There is a good geological survey oi' the district, <br />aiiowin~r the character a::d structure of the country ruck to <br />be granite and. porphyry. <br /> <br />the <br /> <br />e <br />Cla <br />_st ~ _._._.____.-. <br />