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`J <br />-4- <br /> <br />~f a detailed map of AVF areas disturbed by the load-out, the access <br />light use roads and any other mine-related surface facilities. <br />~)~ a calculation of the total area of the AVF's within and.ad~acent to <br />the permit area. <br />C~} a calculation of the total disturbance to the AVF's during <br />/ construction of the mine facilities and during operation of the <br />facilities. <br />d a characterization of the essential hydrologic functions of the <br />AVF's (infiltration rates of soils, depth to ground water through <br />the growing season, application rates of irrigation waters, and <br />aquifer characteristics of the alluvial and colluvial bodies), <br />e'~ measurements of cropland productivity and type on the AVF's, both in <br />~/~ the permit area and ad3acent areas, <br />1~ f) a hydrologic monitoring system and plan to monitor the essential <br />N hydrologic function of the AV F's prior to construction and during <br />operation, <br />~~0 9) a determination of the significance of disturbances on the AVF's to <br />the agricultural activities of each farming unit, <br />h) a quantitative assessment of the affects of the coal processing <br />waste disposal pile and all surface facilities and Impoundments on <br />the quality and quantity of surface and ground waters supplying the <br />AVF's, <br />1) a description of the methods which will be used to restore the <br />essential hydrologic functions of those areas of the AVF's disturbed <br />during the construction and operation of the mine, <br />,jij a detailed description of the relief, slope and density of the <br />irrigation network and drainage channels, <br />I~ the effect of using water from the Vulcan Ditch for the mining <br />~ operation on the quantity of water currently required to Irrigate <br />other alluvial valley floors along the Colorado River (e.g. will <br />they be dried up). <br />/ep <br />Doc. No. 0596 <br />