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• (iii) Surveys and data required under this paragraph for areas designated as alluvial vallev floors because of their flood irrigation characteristics shall also include, at a minimum, surface hydrologic data, including streamflow, runoff, sediment yield, and water quality analyses describing seasonal variations over at least one full ,fir, field geomorphic surveys and other geomorphic studies; (iv) Surveys and data required under this paragraph for areas designated as alluvial valley floors because of their sub-irrigation characteristics, shall also include, at a minimum, geoh.ydrologic data including alluvium thickness, observation well establishment for purposes of water level measurements, ground water contour maps, testing to determine aquifer characteristics that affect waters supplying the alluvial vallev floors, well and spring inventories, and water quality analyses describing seasonal variations over at least one full year, and physical and chemical analysis of overburden to determine the effect of the proposed mining and reclamation operations on water quality and quantity; • (v) Plans showing how the operation will avoid, during mining and reclamation, interruption, discontinuance or preclusion of farming on the alluvial valley floors unless the premining land use has been undeveloped rangeland which is not significant to farming and will not materially damage the quantity or quality of water in surface and ground water systems that supply alluvial valley floors; (vi) Maps showing farms that could be affected by the mining, and, if any farm includes an alluvial valley floor, statements of the type and quantity of agricultural activity performed on the alluvial valley floor and its relationship to the farm's total agricultural activity including an economic analysis; and (vii) Such other relevant data as the Division may, for good cause shown, require; • 2.06-22