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i <br /> Environmenkai Consulfiants Wayne Jacobson, P.S.S.,W.D.C., P.W,S.,A.F.S. ' <br /> -----�------------------------- , <br /> ------------------ ---------------------------- ; <br /> 5821 Humboldt Avenue North Brooklyn Center, MN 55430 (612)802-6619 Cell <br /> Email: jacobsonenv@msn.com <br /> ! <br /> Indicator 66: Surface soil cracks <br /> Category: Secondary ', <br /> General Description: Surface soil cracks consist of shallow cracks that form when fine-grained mineral or <br /> organic sediments dry and shrink, often creating a network of cracks or smalf polygons. <br /> Indicator B10: brainage patterns <br /> Category: Secondary <br /> General Description: This indicator consists of flow patterns visible on the soil surface or eroded into the <br /> sail, low vegetation bent over in the direction of fJow, absence of leaf litter or small woody debris due to <br /> flowing water, and similar evidence that water flowed across the ground surface. <br /> C) indicators that the soil was saturated recently <br /> Indicator C1: Hydrogen sulfide odor <br /> Category; Primary <br /> General Description:A hydrogen sulfide(rotten egg) odor within 12(30 cm) nf the soil surface. <br /> ' Indicator C3: Oxidized rhizospheres along living roots <br /> Category: Primary <br /> General Description: Presence of a layer containing 2 percent or more iron-oxide coatings or plaques on <br /> the surfaces of living roots and/or iron-oxide coatings or linings on soil pores immediately surrounding <br /> living roots within 12 in. (30 cm)of the soil surface. <br /> indicator C4: Presence of reduced iron <br /> Category: Primary <br /> General Description: Presence of a layer containing reduced(ferrous) iron in the upper 12 in. (30 cm)of <br /> the soil profile, as indicated by a ferrous iron test or by the presence of a soil that changes color upon <br /> exposure to the air. <br /> Indicator C6: Recent iron reduction in tilled soi(s <br /> Category� Primary <br /> General Description: Presence af a iayer containing 2 percent or more redox concentrations as pore <br /> linings or soft masses in the tilled surface layer of soils cultivated within the last two years. The layer <br /> containing redox concentrations must be within the tilled zone or within 12 in. (30 cm)of the soil surface, <br /> whichever is shallower. <br /> Indicator C7: Thin muck surface <br /> Category: Primary <br /> General Description: This indicator consists of a layer of muck 1 in. (2.5 cm)or less thick on the soil <br /> surface. <br /> indicator C2: Dry-season water table <br /> Category: Secondary <br /> General Description: Visual observation of the water table batween 12 and 24 in. ( 30 and 60 cm)below <br /> the surface during the normal dry season or during a drier-than-normal year_ <br /> Indicator C8:Crayfish burrows <br /> Category: Secondary <br /> General Description: Presence of crayfish burrows, as indicated by openings in soft ground up to 2 in. (5 <br /> cm) in diameter, often surrounded by chimney-.like mounds of excavated mud. <br /> Wetland Delineation-Mitigation-Permitting-Monitoring-Banking-Functional Analysis-T& E Surveys 11 <br /> Phase I Environmenta► Asses�ments-EAW's-Soi1 ID-Soil Analysis & Delineation-Environmental Referrals <br /> Pond &Lake Weed Contro! & Fish Stocking-Tree Surveys-Natural Resource Management Pfans <br />