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tcac.ion is i�nostly t'ragrnents oFshells. It is sliahtl; alkaline or muderately alkaline. The <br /> calcium carbonate eyuivAl�nc ranges t'ram 5 t��Q peccent, <br /> I"he 2Cg h�rizon has hue af 2.�Y or�Y, value of 3 ro S, and chrvma of 1 or 2. It i� loam, <br /> silt loam, clay loam, or silty clay lo�tn. it cantains 4 to 8 perc;ent by volume af rdck <br /> fragments at'mixed (ithology. [t i5 slightly al�ialine ar modc;rately all�aline and has a <br /> calciurn carbvnate equivalent oF 5 to ?0 p�rcent. A finn till phase af clay laam with a <br /> moist bulk density c�f l.fi to 1.9 grrvcc is also recca�;nized. <br /> C01l�i�'ETING S�[2IES: These �re the �I�_;a���,���r<t�ri�� and C ���,�,i�, (T7 serics. These �ail� <br /> c�u not have copros:erw�ts earth in die series cantcol section. <br /> GCOGEtAPHIC SETTING: These sails have plane or sli�htly concave;lo�es with <br /> gradient of d to i percent. l'he;� �re in small to larae lake basins in glacial moraines, flood <br /> plain:;, and Iacustrine pluins. These basins formerl; had takes, atZd rn�st oPthe lakes w�re <br /> drair�ed since settl�ment. These sediments are underlain by loamy till r�r lacustrin� <br /> sediments oFthe Late 1�Visconsin glaci�tio�t at depclls of 76 cm (2.5 to more than 203 cm. <br /> Rrlean annual temperature is 7 to 1 I degrees C (�� ta 5�7 degrees F). f4Tean annual <br /> prr:cipitation is 61 f} mm to 813 mm �Z�l to 32 inches). Frc��;t fre�dar�s range trom I�� t� <br /> ?OQ. Elevatiuns above sea level ranQe frc�m 213 m to�180 ir (74fl m l 57Q f'�ec). <br /> GE��RAPHICEILLY" ASS�CIt1TED S()(1..5: 'Th��e are c�tl�er poc�rty drain�d and <br /> ver} poorl4 d�•ained mineral and aroanic sails�vithin the basin ar<d tl�e t'I,�:i F�� and I ;.��� <br /> �c�il; and their respective rope�raphic assaciates on the adjacent uplands. <br /> DRAIy:IGE �ND SATi:Rr�TED HY`DRAULIC CQNDGCTI�'IT'li': �'ery pc�orEy <br /> drainzd. Surfacz r��naff is ne,ligible ta ponded. The s�turated h;t�raulic conductivity�, <br /> measuced in cm per hour, is .O� t« �.l (.02 to 2.0 incE7es} in the upper rnate�ial and .OS to <br /> I.� (.0? t� .6 inehes) in thc lower part. Seasonal hi�h saturati�n ran��s Fmm plus 91 t� 3U <br /> crn {3 tc� I fn�t� for undrained ar�as oFthis soil. Ar�as that are drained have vari�bl� <br /> depth.s to s�tur�tic�n ba.sed on the effectiveness of the drainage net�vork. <br /> [.'SE AND VEErETA'T'IQV: Most ot'this soil is cropped to c�rn and �oybeans. Some i5 <br /> used for pasture ar ha}�. lnvasive vegetation(at�er drainage} is mt�stiv seci��s, reeds, and <br /> grasses. The}�� lack native vegetatian in the cUnventional sense because these soils w�ere, <br /> until rrctnti}•, sedirnents in the bcttom of lal:es. <br /> DiSTRIBUTIUN 4ND F,YTEhT: 1�11.[tA-1(l3. S�uthern �tinnes�ta and narth-central <br /> [c�4va. Maderately cxtensive. <br /> I��iLRA OFFICE RESP(}VS[[3LE: St. Paul, Nlinnesota <br /> SER[ES ES'TAB1.15NI:D: Etock Co�unty, tvfinnesota. 19��. <br /> RENI4RK.S: Prol�lcros remain in the classiFicati�n af[hese series because no taxon has <br /> bccn detined in Soil Taxonomy that adequately accommodates sc�ils that haYe fnrmed <br /> entirely in copr,�gen�us earth. Uiagnostic horizons and features recognized in this pedon <br /> are, Surface horizon that meets c�.�quirernents Qf a �ullic epiped�n e:ccept it is underlain <br />