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<br />. <br /> <br />. <br /> <br />. <br /> <br />286G <br /> <br />GEOLOGIC FORMATIONS AND THEIR WATER-BEARING PROPERTIES <br /> <br />Most of the rocks that crop out on the reservation are <br /> <br />sedimentary, hut some are igneous. <br /> <br />The iqneous rocks are <br /> <br />mainly in tJle mountain LIre". <br /> <br />~le exposed sedimentary rocks <br /> <br />ro:.nge in a,::e from Triassic(?) to Quiltcrnary. <br /> <br />The areas of <br /> <br />ou~c:n-~l") of both types of rocks arc shown on figure 2. A <br /> <br />b.cicf su:"-nacj of their physical character and water-bearing <br /> <br />p.i:-opei.ti(~s is given in t.:1blc 2~ <br /> <br />TilGlc 2 (~.~ of ms.) near herc_ <br /> <br />,. <br />'J (c; <br />