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. . �. <br /> endangered plants and animals , or others . <br /> This evaluation must also include a determination o� <br /> whether the wetland alteration being proposed requires permits , <br /> reviews , or approvals by other local, state, or federal agencies <br /> such as a watershed district , the Minnesota Department of <br /> Natural Resources , or the United States Army Corps of Engineers . <br /> ( 2 ) Alterations must be designed and conducted in <br /> a manne.r that ensures only the sn�allest amount o� bare ground :s <br /> exnosed for the shortest time possible . <br /> ( 3 ) Mulcnes or similar materials must be used, <br /> where necessary, �or temporary bare soil coverage, and a <br /> permanent vegetation cover must be established as soon as <br /> nossible . <br /> ( 4 } Me�:^.ods to minimize soil erosior. ar.d �o trap <br /> sedimen�s be�ore tney reac:� ar.y sur�ace water �eature mus� be <br /> used. <br /> ( S ) Altered areas must be stabilized to <br /> accepcable erosion control standards consistent with t:ze Lield <br /> oFfice tec:�nical guides oF the local soil and wacer conservation <br /> districts and the United States Soil Conservac�on Service . <br /> ( 6 ) Fi1� or excavaced ma�eria� mus� no� De piace� <br /> in a mar.^e: thac c_eates ar, urs�able slooe . <br /> ( 7 ) Plans to olace fili or excavaced maceria� on <br /> steep slopes mus�. be :eviewed by qualified proLessiona�s for <br /> continued slope stabi�ity and must not create finished sioDes oL <br /> 30 percent or greater . <br /> ( 8 ) Fil1-or excavated material mus�. not be piaced <br /> in bluf` impact zones . <br /> ( 9 ) Any alterations beiow t:�e ord_nary hign wat?' <br /> 1eve1 0� public waters :nust first be autho:izec by the <br /> commissioner unde: Minnesota Statutes , section 105 . 42 . <br /> ( 10 ) Alterations or topograpny must only be <br /> allowed if they are accessory to oermitted or conditionai uses <br /> and do not adversely arfect adjacent or nearby properties . <br /> ( 11 ) Placement o= natural rock r:prap, including <br /> associated grading o� tne shoreline and piace:nenc oF a filter <br /> � blanket , is permitted if the finished slope does not exceed <br /> three feet horizontal to one foot vert�cal , the landward extent <br /> ot the riprap is within ten feet of the ordina:y hign water <br /> level, and the height oE the riprap above the ordinary high <br /> water level does not exceed three feet . <br /> C. Connections to public waters . Excavations where. <br /> A-1.29 <br />