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I <br /> � <br /> � <br /> � <br /> HOUGHTON SERIES <br /> The Houghton series consists of veiy deep, very poocly drained soils formecf in <br /> herbaceous organic deposits more than 5l inches thick in depressions on lake plains, <br /> outwash plains, grou►id and end moraines and on floodplains.These soils have <br /> moderately slow to moderately rapid permeability. Slope ranges from 0 to 2 percent, , <br /> Mean annuat precipitation is about 35 inches, and mean annual temperature is about 50 ; <br /> degrees F. ' <br /> TAXONOMIC CLASS: Euic, mesic Typic Haplosaprists <br /> TYPICAL PEDOtY: Houghton muck- on a level area in a cultivated field. (Colors are <br /> for moist soils unless otherwise stated.) <br /> Oal--O to 9 inches; black(N 2.5/0} broken face and rubbed muck(sapric mate�•ial); about ' <br /> 5 percent fiber, a trace rubbed; weak coarse subangular blocky structure; neutral (pH 7.0 <br /> in KCI); abrupt smooth boundary. ' <br /> Oa2--9 to l3 inches; black(N 2.5/0 ) bc•oken face, very dark bro�vn (7.SYR 2/2) rubbed , <br /> muck(sapric material); about 5 percent fiber, a trace rubbed; weak medium granular ' <br /> structure; neutral (pH 7.0 in KCi); abrupt smooth boundary. ; <br /> Oa3--l3 to 24 inches; dack reddish brown (SYR 3/2) broken face, dark reddish bi•own <br /> (SYR 2/2) rubbed muck'(sapric material); abo�Et i 5 percent fiber, less than 5 pereent <br /> rubbed; massive, breaking to thick platy fragments; neutraf (pH 7.0 KCI};abrupt smooth ; <br /> boundary. <br /> Oa4--24 to 32 inches; black(�YR 2/I) broken face and rubbed muck (sapric material); ', <br /> about l0 percent fiber, a trace rubbed; massive; about ! percent �voody fragments; neutral ' <br /> (pH 7.0 in KC1); clear wavy boundary. '' <br /> Oa5--32 ro 48 inches;dark reddish bro�vn (SYR 2/2) broken face, black(SYR 2/l) <br /> rubbed muck(Sapric material); about 20 percent tiber, less than 10 percent rubbed; <br /> massive, breaking to thick platy fragments; neutral (pH 7.0 in KCI); abrupt smooth <br /> boundary. ' <br /> Oa6--4$ to 80 inches; dark reddish brown (SYK 2/2) broken face and rubbed muck ; <br /> (sapcic mater'sa[); about 10 percent fiber, less than 10 percent rubbed; massive; slightly <br /> sticky; about 15 percent mineral soil; neutral(pH 7.0 in KCI), <br /> TYPE LOCATION: Ciinton Co«nty, Michigan; about 3 miles northeast of the village of <br /> Bath; 200 feet north and 400 feet east of the southwest corner of sec. 12, T. 5 N., R. 1 W. ', <br /> USGS Batl�topographic quadrangle, lat. �2 deg�•ees 49 minutes 43,4 secands N. and long. '; <br /> 84 degrees 52 minutes Sb.9 seconds W.; NAD 27. j <br /> RANGE IN CHARACTERISTICS: The organic layers are more than 51 inches thick. <br /> The organic fibers are derived pcimarily from herbaceous plants, but some pedons <br /> contain individual layers which contain as much as 30 percent woody material, however, <br /> I <br /> � <br />