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<br /> <br />. <br /> <br /> <br />.1031 <br /> <br /> <br />. <br /> <br />View of mole emerging after completion of boring of the <br />l5,664 foot Nast Tunnel. This was the first tunnel in <br />the United States machine bored through granite rock. <br />Pu~ther construction is required at the Ivanhoe Creek <br />point of diversion and the only additional diversion in <br />1974 made possible by this completion is that from Lily <br />Pad Creek. <br /> <br />. <br /> <br />12 <br />