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1 <br /> <br />' 1) Deep soils, deeper than 40 inches <br />2) Moderately deep soils, 20 to 40 inches deep <br />' 3) Shallow soils, 6 to 20 inches deep <br />4) Rock outcrop with scattered soils 0 to 10 inches <br />' deep or saline - alkali soils <br />' Only a portion of the soils rated fair or better in <br /> terms of topsoil suitability throughout their surface and <br />' subsoil horizons. Appendix C presents results of laboratory <br /> tests and Appendix B gives details of observed <br />' characteristics <br />The re <br />ainde <br />of the soils rat <br />oor or <br />d <br /> . <br />m <br />r <br />e <br />p <br />' u~isuitable due to high coarse fragment percentages, rock <br /> outcrop or high salinity. <br /> As stated, the soils series phases and series variants <br /> have been classified from t to 4• Class 1 represents soils <br />' with fair to good topsoil suitability to a depth of more <br />' than 40 inches. Class 2 includes moderately deep soils with <br /> 20 to 40 inches of fair to food topsoil. Class 3 contains <br />' soils with fair to good topsoil suitability to a depth of <br />20 inches. Similarly, soils which have unsuitable subsoil <br />at depths of greater than 20 inches have been placed in Class <br />3• Class 4 represents land types and soils unsuitable for <br />topsoil material. <br /> <br />1 <br />' - 18 - <br />