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<br />C0~r-;c; <br />t-....._v <br /> <br />JONES PASS TUNNEL (West Portal 10,400 feet) <br /> <br />Location: <br /> <br />East Portal nine miles west of Empire. <br /> <br />Built: <br /> <br />Construction finished in 1940. <br /> <br />Function: <br /> <br />To carry water diverted from the headwaters of Williams Fork <br /> <br />River to Platte River watershed. Upon completion of the Vasquez <br /> <br />Tunnel, the water from Jones Pass Tunnel will flow into Vasquez <br /> <br />Tunnel. <br /> <br />Design: <br /> <br />7-foot horseshoe section, Z. 95 miles long. <br /> <br />Capacity: <br /> <br />Those sections of tunnel not concrete lined are now being lined to <br /> <br />increase maximum carrying capacity of tunnel to 500 cubic feet <br /> <br />.per second. <br />