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The C horizon has a hue of l OYR or 2.5Y,value of 4 or 5,and chroma of 3 through 6.It is loam or clay loam.It
<br /> lacks mottles in some pedons.It has 15 to 25 percent calcium carbonate equivalent and is mildly or moderately
<br /> alkalikne.
<br /> COMPETING SERIES:These are the Amanda,Belmon Belmore.Chenaul Chili,Como i,Conestoga,Douds,.
<br /> El Dara,Gellman.Grellton.Hebron.Hickory Hi G ,Hollinger.Kalamazoo.Kana h Kendallville,Kidder.
<br /> Kosciusko,LeRoy"Letort,Lindley,McHenry,Mandeville.Martinsville.Miain Mi �,Nodine.Norden,
<br /> ockley,Owosso,Pecatonica.Princeton, Relay,Renova,Ric hlan Riddles,Rockbridge,Roseville,Sisson,
<br /> Strewn,Summitville,Teanaway,Theresa.Wawasee,Westvilleand Woodbine soils in the same family.
<br /> Amanda horizon soils have more illite in the B and C horizon;Behnont soils have redder hue in the B horizon.
<br /> Behnore,Chili,Kalamazoo,and Ockley soils formed in glacial outwash and have sandy or sandy-skeletal 2C
<br /> horizons.Chenault soils have chert fragments in the solum and are underlaid by limestone bedrock.Coggon,
<br /> Gallman,Hickory,Pecatbnica,Renova,Riddles,Summitville,and Westville soils have thicker sola.In addition,
<br /> Coggon soils have low chroma mottles in part of the B2 horizon.Conestoga,Kendallville,Letort,Richland,and
<br /> Rockbridge soils have more coarse fragments.Douds,El Dara,Kidder,Sisson,and Wawasee soils have less clay and
<br /> more sand or silt in the lower part of the B horizon and in the C horizon.High Gap,Hollinger,Mandeville,Mifflin,
<br /> Military,Norden,Roseville,Whalan,and Woodbine soils have bedrock beginning between depths of 20 and 60
<br /> inches.Grellton,Hebron,Lindley,and Rawson soils have more silt or clay or both in either the lower part of the B
<br /> horizon or C horizon or both.Kanawha soils are formed in alluvium from acid shale and are in an area of higher
<br /> rainfall.LeRoy and Strawn soils have thinner sola.McHenry and Miami soils have more silt or clay,or both in the
<br /> upper part of the solum.Martinsville soils have redder hue in the B horizon and formed in stratified outwash or
<br /> lacustrine sediments.Nodine soils have thicker sola which is more stratified and leached of free carbonates to greater
<br /> depths.Owosso soils have more sand and less silt or clay in the upper part of their sola.Princeton soils formed in
<br /> aeolian sediments and have stratified C horizons.Relay soils have hue of 2.5Y or 5Y in all parts of the B horizon.
<br /> Teanaway soils have firm sandy clay loam C horizons with redder hue.Theresa soils formed partly in loess and have
<br /> 2C horizons with 40 to 60 percent calcium carbonate.
<br /> GEOGRAPHIC SETTING:Hayden soils have plane or convex slopes on gently undulating through steep glacial
<br /> moraines of the Des Moines and Grantsburg sublobe of the Late Wisconsinan glaciation.Their slopes range from 2
<br /> to 40 percent and mostly are 80 to 300 feet in length.These soils formed in calcareous loamy glacial till.
<br /> Montmorillonite is the dominant clay mineral in the glacial till.Mean annual temperature is 45 to 50 degrees,and
<br /> mean annual precipitation is 27 to 33 inches.
<br /> GEOGRAPHICALLY ASSOCIATED SOILS:These are the Ames,Dundas.Hamel,Luther,and Nessel soils
<br /> which are members of a toposequence with the Hayden soils.Moderately well drained Nessel soils have plane or
<br /> slightly convex slopes.Poorly drained Ames and Dundas soils have slightly concave to slightly convex slopes with
<br /> gradient of less than 2 percent.Poorly drained Hamel soils are on toe slopes.Organic soils are common associates in
<br /> some places.
<br /> DRAINAGE AND PERMEABILITY:Well drained.Runoff is medium and rapid.Permeability is moderate.
<br /> USE AND VEGETATION:Mostly cleared and cultivated to corn,soybeans,small grain,and hay.Native
<br /> vegetation was deciduous forest of maple,basswood,oak,and elm.
<br /> DISTRIBUTION AND EXTENT: Southeastern Minnesota and in central Iowa.Extensive.
<br /> MLRA OFFICE RESPONSIBLE: St.Paul,Minnesota
<br /> SERIES ESTABLISHED:Hennepin County,Minnesota, 1929.
<br /> ADDITIONAL DATA:Refer to Minnesota Agricultural Experiment Station Central File Code No.967 for results
<br /> of some laboratory analysis of the typical pedon.
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