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� � REMARKS: Diagnostic horizons and features recognized in this pedon are: mollic epipedon - the zone from the surface to a depth of 40 inches (Ap, A, AB and Btgl); argillic horizon - the � zone from 24 to 46 inches (Btgl, Btg2,). Type location moved from Hennepin County, Mn. to Wright County, Mn., 1 l/96 to better exemplify the series concept. , A somewhat poorly drained overwash phase is recognized that has 8 to 20 inches of colluvium over the original dark colored surface. ADDITIONAL DATA: Refer to MAES Central File Code No. 785 for results of some � laboratory analysis of this series. National Cooperative Soil Survey � U.S.A. � LOCATION HAYDEN MN+IA Established Series Rev. ELB � OS/1999 HAYDEN SERIES � The Hayden series consists of deep well drained soils that formed in calcareous loamy glacial till on glacial moraines and till plains. These soils have moderate permeability. Their slopes range from 2 to 40 percent. Mean annual precipitation is about 28 inches, and mean annual temperature ' is about 46 degrees F. TAXONOMIC CLASS: Fine-loamy, mixed, superactive, mesic Glossic Hapludalfs � TYPICAL PEDON: Hayden loam with a 6 percent convex slope on a terminal moraine in a deciduous forest. (Colors are for moist soil unless otherwise noted.) A--0 to 2 inches; very dark gray (lOYR 3/1) loam; weak fine granular structure; very friable; � about 5 percent coarse fragments; neutral; abrupt smooth boundary. (1 to 4 inches thickj E--2 to 9 inches; dark grayish brown (lOYR 4/2) light loam; weak thin platy structure; very friable; few very dark gray (lOYR 3/1) worm casts in upper part; about 5 percent coarse � fragments; slightly acid; clear wavy boundary. (0 to 12 inches thick) BE--9 to 14 inches; brown (lOYR 5/3) fine sandy loam; weak fine and medium subangular blocky structure; friable; many distinct coatings of clean sand and silt particles on faces of peds; � about 5 percent coarse fragments; medium acid; clear wavy boundary. (0 to 8 inches thick) Bt1--14 to 28 inches; yellowish brown (lOYR 5/4) loam; moderate fine and medium subangular blocky structure; firm; few faint coatings of clean sand and silt particles and few faint dark � yellowish brown (lOYR 4/4) clay films on faces of peds; about 5 percent coarse fragments; strongly acid; clear wavy boundary. Bt2--28 to 38 inches; yellowish brown (lOYR 5/4) loam; moderate fine and medium prismatic � structure parting to moderate fine and medium angular blocky; firm; many distinct dark yellowish brown (IOYR 4/4) clay films on faces of peds; about 5 percent coarse fragments; few prominent black clayey fillings in root channels; strongly acid; clear wavy boundary. ' � Svoboda Ecolo�ical Resow�ces 744 Brown Road North Project No.: 2007-081-03 23 "C'ed SehulCze '