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<br />Effective Depth <br /> <br />Less than 10 Inches - no number (i.e. 3H) <br />10 to 20 inches ... 3 <br />20 to 36 inches - 2 <br />36 to 60 inches - 1 <br />Over 60 inches - no geologic material shotm (Le. ':,221) <br /> <br />~l2g!c Materials <br /> <br />E - rhnsolidatBd Shale <br />H - Gravel and/or cobble in lIledi\llll <br />textured .aub: <br />J - Clean gravel or cobble <br /> <br />Geologic Materh.ls <br />InfluencIng :i'r01TIi <br /> <br />E - Used as pref!.x - rJ'lih <br />influenced. pro.fi1~ <br /> <br />Subsoil or Substrat.\mi Penuebil i!<y <br /> <br />1 - Very sloll <br />2 ... 510" <br />3 ... Moderate <br />4 ... Rapid <br />S ... Very rapid <br /> <br />Stratificati~ <br /> <br />r - Subsoil stratified <br />s - Substratula stratlfiad <br />Symbols used in the penJle'ilbility <br />posi Uon o.t' the lIappl.i1g s,yW;lol - <br />(ex8lllp1e X3rJ3) <br /> <br />Surface Texture <br />~ <br /> <br />1 - Very fine <br />2 - Fine <br />3 - MedlUII <br />4 - Coarse <br />5 - Very coarse <br /> <br />gope Oro~ <br /> <br />A - Less than 1% <br />B-ltoJ% <br />C-3to6% <br />D - 6 to 10% <br />E - 10 to 45% <br />F - Over M% <br /> <br />Erosion <br /> <br />1 - None to slight <br />2 - lbders te <br />3 - Severe <br />9 - Very severe (essentially destroyed as by gullies) <br />27V - Moderate sheet erosion and occasional gullies <br />28V ~ Moderate sheet erosion and frequent gullies <br />I: ~ ACCUIIl1.:laUon (usually vash in) <br />W - Geologic erosion <br /> <br />... <br />