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its water from the Dakota Formation, LDx overburden, coal, or underburden zones. The most <br />prolific aquifer in the area is the Brushy Basin Member of the underlying Morrison Formation, <br />which is the uppermost sandstone of that formation. The Brushy Basin Member is well isolated <br />from the Ldx overburden, coal and underburden zones by tight siltstone and shale of the lower <br />Dakota Formation and mudstone of the Burro Canyon Formation. <br />Potential Ground Water Use The overburden, coal and underburden zones in the NHN permit <br />area are unsuitable for domestic drinking water and crop irrigation. The overburden and <br />underburden zones, in most cases, would be marginal for. livestock, while the coal zone would not. <br />Low permeability, cyclic water levels and resulting low well yields greatly reduce any potential <br />use of water from the three strata (OB, Coal, UB). <br />Section 2.04.7 Page 14 Sept. 2015 (TR -11) <br />