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E-4 <br />• cleared and disturbed. Activity associated with construction of <br />water supply and monitoring wells caused disturbance of 6.3 <br />acres. A production pipeline from well Na26-90-5 and Na26-88-1, <br />and water supply pipeline from Na26-90-1 to the plant facilities <br />disturbed 1.1 acres. Total disturbed acreage associated with <br />plant construction, wells and pipelines is 40.9 acres. Figure <br />D-5 illustrates mine site disturbed acreage. <br />Areas associated with 1990 activities such as natural gas <br />pipeline ROW (12 a.cres), and County access road ROW (30 acres) <br />were also disturbed. A telephone ROW was approved in 1990, and <br />the telephone line was installed within County Road 83 ROW and <br />access road ROW causing no additional disturbed acreage. Table <br />• E-1 lists disturbed acreage for the NaTec project. <br />In addition to those areas that have been disturbed by <br />construction activities, approximately 6.0 acres/year will be <br />disturbed in association with the well field operations. A total <br />of 257 acres may be disturbed over the 30 year project. The well <br />field surface disturbances will be required in order to provide <br />areas for drilling rigs to operate, areas for production <br />pipelines, and roads for well access. Also, areas will be <br />disturbed in order to provide pollution control measures for <br />drilling operations, e.g, retention ponds. After a mining cavity <br />is depleted, the wells are abandoned and the production pipeline <br />is relocated. Disturbed areas will then be reclaimed. <br />• Reclamation activities will consist of grading the disturbed <br />