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Section 785.19 (d) Continued. <br />• (1) The characteristics of the alluvial valley floor which are neces- <br />sary to preserve the essential hydrologic functions during and after <br />mining; <br />(11) The significance of the area to be affected to agricultural activi- <br />ties; <br />i • <br />(iii) Whether the operation will cause, or presents an unacceptable risk <br />of causing, material damage to the quantity or quality of surface or <br />ground waters that supply the alluvial valley floor; <br />(iv) The effectiveness of proposed reclamation with respect to require- <br />ments of the Act, this Chapter and the regulatory program; and <br />(v) Specific environmental monitoring required to measure compliance <br />with 30 CFR 822 during and after mining and reclamation operations. <br />(2) Information required under this paragraph shall include, but not be <br />limited to-- <br />(i) Geologic data, including geologic structure, and surficial geologic <br />maps, and geologic cross-sections; <br />(ii) Soils and vegetation data, including a detailed soil survey and <br />chemical and physical analyses of soils, a vegetation map and narrative <br />descriptions of quantitative and qualitative surveys, and land use data, <br />including an evaluation of crop yields; <br />(iii) Surveys and data required under this paragraph for areas desig- <br />nated as alluvial valley floor because of their flood irrigation charac- <br />teristics shall also include, at a minimum, surface hydrologic data, <br />including streamflow, runoff, sediment yield, and water quality analyses <br />describing seasonal variations over at least one full year, field geo- <br />morphic surveys and other geomorphic studies; <br />785-29 <br />