02/27/2008 Env Bd Packet - Laserfiche WebLink

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• SODERVILLE SERIES Official Soil Series Description The Soderville series consists of very deep, moderately well drained soils formed in sandy eolian or glacial outwash on outwash plains. Permeability is rapid in upper part and moderately rapid in the lower part. Slopes range from 0 to 3 percent. Mean annual precipitation is about 28 inches. Mean annual air temperature is about 41 degrees F. TAXONOMIC CLASS: Sandy, mixed, frigid Oxyaquic Hapludalfs TYPICAL PEDON: Soderville loamy fine sand on a 1 percent concave slope in a cultivated field at an elevation of about 980 feet. (Colors are for moist soil unless otherwise noted.) Ap - -0 to 9 inches; very dark grayish brown (10YR 3/2) loamy fine sand, grayish brown (10YR 5/2) dry; weak fine subangular blocky structure; very friable; strongly acid; abrupt smooth boundary. (6 to 9 inches thick) E1 - -9 to 21 inches; brown (10YR 4/3) fine sand, pale brown (10YR 6/3) dry; single grain; loose; strongly acid; clear wavy boundary. E2 - -21 to 30 inches; brown (10YR 5/3) fine sand, pale brown (10YR 6/3) dry; few fme distinct brown (7.5YR 4/4) Fe concentrations; single grain; loose; strongly acid; abrupt wavy boundary. (9 to 32 inches thick). Btl - -30 to 41 inches; dark yellowish brown (10YR 4/4) loamy fme sand; few fine distinct strong brown (7.5YR 4/6) Fe concentrations and common fme distinct grayish brown (10YR 5/2) Fe depletions; weak medium subangular blocky structure; friable; faint discontinuous brown (10YR 4/3) clay films on faces of peds; strongly acid; clear smooth boundary. Bt2 - -41 to 45 inches; yellowish brown (10YR 5/4) loamy fine sand; common medium distinct strong brown (7.5YR 4/6) Fe concentrations and few fine distinct light brownish gray (10YR 6/2) Fe depletions; weak medium subangular blocky structure; friable; faint discontinuous dark yellowish brown (10YR 4/4) clay films on faces of peds; strongly acid; clear smooth boundary. (6 to 19 inches thick). E &Bt - -45 to 80 inches; light yellowish brown (10YR 6/4) fine sand (E); single grain; loose; few dark yellowish brown (10YR 4/4) loamy fine sand (Bt) lamellae 1/4 to 2 inches thick; weak fine subangular blocky structure; very friable; distinct discontinuous brown (7.5YR 4/4) clay bridging between sand grains; few fine distinct strong brown (7.5YR 4/6) Fe concentrations; moderately acid. TYPE LOCATION: Mille Lacs County, Minnesota; about 1.5 miles east of Princeton; 500 feet south and 2,500 feet east of the northwest corner of sec. 35, T. 36 N., R. 26 W.; USGS Princeton topographic quadrangle; lat. 45 degrees 34 minutes 19 seconds N. and long. 93 degrees 32 minutes and 31 seconds W.; NAD27. RANGE IN CHARACTERISTICS: Depth to the argillic horizon ranges from 24 to 60 inches below the soil surface. These soils typically do not have rock fragments, but some horizons may have as much as 5 percent. Free carbonates are absent to 80 inches or more. Redox features are typically above a depth of 40 inches. Reaction ranges from strongly acid to moderately acid in the upper part of the solum. In areas where lime has been added, the reaction range includes neutral. Reaction ranges from strongly acid to neutral in the lower part of the solum and in the substratum. Foxborough Conservation Development Restoration and Management Plan A-4