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<br />ERO Resources <br />The areal extent and depth of potential Alluvial Valley Floor will be <br />determined by mapping the unconsolidated stream laid deposits identified. <br />All areas identified as subirrigated and flood irrigated will also be <br />mapped. Areas that are deficient in terms of water quality and/or <br />quantity will be excluded. <br /> <br />Depth of unconsolidated stream laid deposits in the floodplain will be <br />identifed on cross-sectional drawings. <br />Importance of Alluvial Valley Floors to Farming <br />A determination will be made concerning whether the area of Red Wash in <br />question is undeveloped rangeland that is not significant to farming, or <br />if the floodplain may be potentially developed for agriculture. <br />Criteria used for classifying an area as undeveloped rangeland are: ~ ~Qy <br />k <br />x ~ 1 1 <br />~ . `k 2 <br />.,~!~' <br /> <br />lack of haylands or croplands supported by subirrigation or flood i~~k f •l Z I <br />irrigation Q\ ,~e~''r ~~ <br />less than SOX of a grazing area's carrying capacity is provided u• ,~e <br />s <br />by the flood plain area J.~ ~ " ~ ~~ <br />v <br />;:c <br />.• <br />The potential importance of developed land or land that may be developed <br />will be determined by the following: <br />I. inventory of typical livestock numbers <br />2. a cropland/hayland use summary for typical production including <br />acreage of each crop grown, yield per acre, total production <br />harvested, estimated carrying capacity of the floodplain <br />following mine development, and use of any crops grown in the <br />flood plain <br />3 <br />