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• discontinuous Lenaoa Sean, which ranges in thickness from zero to <br />two feet. <br />The poor quality, the extremely poor lateral discontinuity and <br />the low seam height of the Lennon Seam make it unmineable. In the <br />proposed permit area the strata below the Lennaa Seam consist mostly <br />of shales, eiltstonea, claystones and interbedded sandstones ranging <br />from aiaty to ninety feet in thickness. These rocks overlie the <br />principal economic coal bed of the area, the Hodge Seam. The Wadge <br />Sean ranges in assn height from 7 to 10 feet, has a very low sulfur <br />value, a high BTU value and is upper sub-bituminous in rank. <br />Lateral continuity of this bed is good to ezcellent. Directly below <br />the fudge Seam in the proposed permit area is a persistent and <br />• laterally continuous layer of material composed of clay-sized <br />particles called fire clay, or in other regions, underclay. This <br />material is slightly plastic. Beneath this fire clay is a zone of <br />alternating thick shales, claystones, siltatones, and intermittent, <br />lenticular sandstones. The shales are generally continuous and the <br />sandstones discontinuous. Near the base of this zone of alternating <br />beds is the Wolf Creek Coal Seas. The fiolf Creek Seam ranges is <br />height from zero to 10 feet and has extremely poor lateral <br />continuity in all areas. Its high ash and low BTII characteristics <br />render it currently uneconomical. The Wolf Creek Seam is separated <br />from the massive Trout Creek Sandstone by alternating beds <br /> consisting mostly of shale. Similar to Twentymile Sandstone, the <br />• Trout Creek Sandstone is fine-grained, of moderate permeability when <br /> saturated, is a key marker bed and defines the bottom of the <br />2.04-27 <br />