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UNIFIED SOILS CLASSIFICATION SYSTEM <br /> MA10R DIVISIONS SYMBOL LETTER DESCRIPTION <br />� •=•°°e Well- gradeE yrarels or graval-s�nA mlxWrn, <br /> e ee•°. <br /> CLEAN •:'ee°.. GW Ifttl� or rro lines <br /> e e. <br /> 6RAVELS o.f"i�:iF:fi.. Poorly qaA�G yrav�N or pnvN-��nd ml�tur�f. <br /> GRAVEL � ttiFl,siSlK.,%1! <br /> ;t.'r.'(►;��a GP �uueor no ��n•s <br /> ciuveur <br /> SOILS ; GM Silty yrav�b or prwel-s�na-aflt mlilur�s <br /> GRAVELS • <br /> WITM FINES <br /> - COARSE GC Cl�yey yorda or yi.e! unE.cl�y mlatun� <br /> 61UINED •�:•:�.� w.u.yra•a woas o. ar.wuy wna., mu. or <br /> SOILS CLEAN •:.'•'.:, SW no Iin�s <br /> SAND � SANDS '��"'.`•.4i'�: SP Poorly ynded unE� or qrar�lly s�ntls, IINI� <br /> or no fin�� <br /> SANDY � � • <br /> �'".5•�c:.:`:'�: <br /> SOILS � SM Sllty und�or und-sllt miwtun� <br /> SANDS <br /> WITM FINES <br /> $C Cl�y�y �m0� or unA-el�� mlxturn <br /> Inorp�nle sllls i v�ry In� ��nCs. roek Ileur. �ilty <br /> ML Of Cl���y ISII� MIIA�.Of Cl�yy tllU MRII fIIOM� <br /> si�Ts a curs a�••'�0�'� <br /> � �� Ieorp�nic el�yt ol low lo mhfum Pl��tielty. <br /> pnvNlr N�ya, wMy el�y�.�IU� el�ys or lun el�ys <br /> Li9uld Llmit Lns TMn 50 i i i i i � � Orp�nie aNb i orp�nie �ih� eUr� el low <br /> - FINE � � � � � t � OL <br /> i i i i i i i pl�stieity <br /> 6RAINED � � � � <br /> . . f01L5 MH Inorp�nie �Ilb. minaou�ordlatom�ewus Iln� <br /> ,.., <br /> si�ts a cura ..�a�or .my .ow.•i..re suc. <br /> CH Inorq�nle el�ys ol Alq� Plntleity.I�t el�ya <br /> - Liquld Umlt Orut�r Th�n SO ,','.'.'. Orpmic tUys ol medlum to�1p� pl�stleltY, <br /> ,.. . . . i <br /> ',','�'�' orq�nie silt� <br /> . . . <br /> .�. , �� � <br /> MIGMLY OR6ANIC soi�s - - - PT P��t or o1Mr Mphly orpanlo wlb <br /> . . ._,'i`-- <br /> ~ TOPSOIL Humua i duff I�yer <br /> fILL Unconeroll�d. with hiphly r�ri�bl� eorotitu�nt� <br /> so� DATUM NOTE soM DATUM NOTE <br /> I2'•O.D. $pllt SPoon S�mpl�� S�mpl• I�terv�l _ W�ter Lwel D�te ReeorE�d <br /> _ � Rinp or S��Iby S�mpl�r s�mpl� Intervsl TS Torv�n� R��Einq <br /> P S�mphr Pu��eA S�mpl! Intervd (�U P�natromNer Re�alnp <br /> � �C Ot�er S�mpl� Type S�mple INerval � Wtler ObservNion W�II Tip Elev�tion <br /> - � CASCADE GEOTECHNICAL, �N�. K E Y C H A R T <br />