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U:5. UEPARI'REHI' OF AURICULI'URE AuE J ur J <br />NATURAL RESOURCES CONSEAVAtIOH SERVICE ~ ~ 11/11198 <br />EATER FEATURES <br />Endnote -- IATER FEATURES--Coetiered <br />Inforration an the ezteet of flooding based on soil data ie lees specific than that provided by detailed engineering <br />surveys that delineate flood-prone arena at specific flood frequency levels. <br />Nigh refer table (aeaaonall is the highest level of a aetrreted tone in the soil in coat years. The depth to a <br />seesoeel high rater table applies to eednined aoila. The eatiutes ere beaed uiely on the evideece of a aatareted <br />tone, oarely grayish colas or rottlea ie the soil. Indicated in thin report ere the depth to the aeeaooal high <br />rater table; the tied of rater table, that ia, 'Appueet', 'Artesian', or 'Perched'; and the moths of the yeu that <br />the rater table corroely is high. A rater table that is aeeaoeally high for leas than I ronth is not indicated ie <br />thin report. <br />As 'Apparent' rater table is a thick zone o[ free refer in the soil. It is indicated by the level at rhich refer <br />stands in an aecaaed borehole after edegrate lice is alloyed for adjuatreet in the eorroaedieg soil. <br />An 'Arteaiee' rater table e:iata ceder a hydrostatic beneath an ieperreable Izyer. Ihee the irperreable layer hna been <br />penetrated by a used borehole, the rater riaea. the final level of the rater in the caned borehole is characterized as <br />an uteaiae rater table. <br />A 'Perched' refer table is rater atandiag above ee uesatarated zone. In places an upper, or 'Perched', rater <br />table is separated trot a lacer one by a dry zone. Only aatorated zones rithin a depth of about 6 feet ere <br />indicated. <br />pondiog is atandiag refer io a closed depression. The refer is reeoved only by deep percolation, trenapiration, <br />zveporatioe, or a corbiaatioa of these procuaea. <br />This report gives the depth and location of pondiog and the lice of year Then pooling is cost likely. Depth, duratioe, <br />and probable dates of occurrence are eatirated. <br />Depth is ezpreaaed as the depth of ponded rater in feet above the soil surface. Duration is erpreaaed ea 'Very <br />brief' if leas then 1 days, 'Brief' if 1 to 1 deya, 'Long' if 1 to 10 deya, sad 'Very long' if sore then 10 days. the <br />intonation is beaed on the relation of each Boil on the landscape to historic pondiog end on local intarration about <br />the ertent end levels of pondiog. <br />