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Junction, 57 air miles north. The remoteness of the location is evidenced by the several hours required to <br />• reach Nucla by vehicle from the above cities. <br />First Park, amesa-like landform on which the study area is located, is approximately ten miles southwest of <br />the Uncompahgre Plateau. In earlier times First Park was referred to as Tabequache Park, a sagebrush and <br />pinyon-juniper dominated landscape historically used by the Ute Indians and later by ranchers running <br />livestock on open range. <br />The study area for 1987 and 1999 includes portions of the following sections: <br />Section 6. T46N. R15W <br />N W'/. <br />W'/zNE'/. <br />W'/ASE'/.NE'/. <br />N'/:NE'/,SW'/. <br />Portions of N''/SE%, <br />Section 1, T46N. R16W <br />NE% <br />W'/~NW'/. <br />Section 36, T47N, R16W <br />S1/2SW1/4 <br />SE1/4 <br />Section 31, T47N, R15W <br />S1/2SW1/4 <br />Geology and Soils The general landform in the Nucla area is a result of the Nucla Syncline, a northwest <br />trending geologic structure containing the coal reserves in the study area. This shallow, broad syncline is a <br />simple fold with gently dipping flanks. The Cretaceous-age Dakota sandstone is the youngest formation found <br />in the study area, excepting Quaternary deposits. The Dakota formation consists primarily of resistant <br />yellowish to gray fissile sandstone, and conglomeratic sandstones interbedded with dark gray carbonaceous <br />shales, impure coal, and a basal conglomerate. It forms resistant butthin sandstone ledges that are scattered <br />throughout the study area. These ledges are often exposed at the surtace or are encountered within a few <br />• (REVISED 8/15/00) 2.4.1 t) - 2 <br />