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............ .........., ,r...,.. .1..�...., ...i.,u�i..i� �vi�vo CZI�'G 1 U1 J ' LOCATION LESTER MN+IA Established Series , Rev. AGG-TCJ-KDS OS/2001 � LESTER SERIES � The Lester series consists of very deep, well drained soils that formed in calcareous loamy glacial till on t till plains and moraines. These soils have moderate permeability. Their slopes range from 5 to 70 percent. Mean annual precipitation is about 28 inches. Mean annual temperature is about 47 degrees F. TAXONOMIC CLASS: Fine-loamy, mixed, superactive, mesic Mollic Ha ludalfs � P TYPICAL PEDON: Lester loam with a convex slope of about 9 percent on a ground moraine in a � cultivated field. (Colors are for moist soil unless otherwise noted.) Ap--O to 7 inches; very dark grayish brown (lOYR 3/2) loam, grayish brown (l 0YR 5/2) dry; moderate � fine subangular blocky structure; friable; many fine roots; about 3 percent gravel; slightly acid; abrupt smooth boundary. (6 to 10 inches thick) Btl--7 to 21 inches; brown (lOYR 4/3) clay loam; moderate medium suban ular block structure• f � g Y , 1�; many very fine roots; common very dark grayish brown (1 OYR 3/2) clay films on faces of peds and few very dark gray (lOYR 3/1) organic coats on faces ofpeds; about 2 percent gravel; slightly acid; clear , smooth boundary. Bt2--21 to 38 inches; dark yellowish brown (lOYR 4/4) clay loam; moderate medium subangular blocky ` structure; friable; common fine roots; common dark grayish brown (lOYR 4/2) clay films on faces of peds and few very dark brown (lOYR 2/2) organic coats on faces of peds; about 3 percent gravel; slightly acid; gradual smooth boundary. (Combined Bt horizon is 10 to 40 inches.) � Bk1--38 to 50 inches; yellowish brown (lOYR 5/4) loam; weak medium subangular blocky structure; friable; few fine roots; common very pale brown (lOYR 8/2) carbonate threads; about 2 percent gravel; ` violently effervescent; slightly alkaline; clear wavy boundary. Bk2--50 to 60 inches; yellowish brown (l 0YR 5/4) loam; weak medium subangular blocky structure; � friable; common fine distinct yellowish brown (l 0YR 5/6) relict Fe concentrations; common very pale brown (lOYR 8/2) carbonate threads; about 2 percent gravel; violently effervescent; slightly alkaline; clear wavy boundary. � C--60 to 80 inches; yellowish brown (l 0YR 5/4) loam; ; massive; friable; common medium distinct yellowish brown (lOYR 5/6) relict Fe concentrations and few fine distinct light brownish gray (lOYR � 6/2) relict Fe depletions; about 1 percent gravel; strongly effervescent; slightly alkaline. TYPE LOCATION: Wright County, Minnesota; about 3 miles west of Otsego, 1460 feet south and 200 i feet west of the northeast corner of Sec. 15, T.121 N., R.24 W.; USGS Big Lake quadrangle; lat. 45 degrees 17 minutes 29 seconds N.; long. 93 degrees 41 minutes 3 seconds W., NAD27 � http://ortho.ftw.nres.usda.gov/cgi-bin/osd/osdname.cgi?-P 5/19/2006 �