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<br />- -25- <br />• <br />GEX Colorado, Int. <br />_ 2ND EAST SECTION, 10 + 00 Beltline Entry <br />ALL Samples <br />,~ <br />Failure Strength (psi) = 4680 + 3.539 (Confining Pressure-psi) <br />r2 0.633; Syx = 1930 psi; tcalc 3.220 (> 98X) <br />~- m = 34.0°; cohesion = 1240 psi <br />r.. <br />_ 2000 psi Sample Removed <br />i <br />•.. Failure Strength (psi) 3840 + 5.963 (Confining Pressure-psi) <br />r2 0.693; Syx 1700 psi; tcalc 3.362 ( 98X) <br />4 45.50; cohesion 785 psi <br />r <br />l• <br />r <br />J. . <br />L. <br />~- <br />L. <br />f" <br />L <br />.. <br />3RD EAST SECTION, 5 + 00 2nd Right Entry <br />ALL Samples <br />Failure Strength (psij = 5140 + 4.297 (Confining Pressure-psi) <br />r2 0.696; Syx 2030 psi; tcalc = 3.704 ( 99S) <br />m = 38.50; cohesion = 1240 psi <br />2000 psi Sample Removed <br />Failure Strength (psi) = 4160 + 7.075 (Confining Pressure-psi) <br />r2 = 0.760; Syx 1710 psi; tcalc = 3.979 (>98:) <br />0 = 48.8°; cohesion 782 psi <br />