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DESCRIPTIONS OF SOILSREGOSOL SOILSRegosols are mineral soils that lack observable horizons, or haveonly a very weakly developed Ah horizon . An L-H horizon less than 12inches thick may be present .In the surveyed area the Regosol soils are derived from recentlydeposited materials, and there is a vegetation of mixed deciduous andconiferous forest . Subgroups found were Orthic Regosol, OrthicRegosol (Calcareous Phase), Gleyed Orthic Regosol, and Mull Regosol(Calcareous Phase) .Orthic Regosol SoilsThese are mineral soils having little or no profile development .They lack observable horizons or have weakly developed Ah horizons .Under forest an L-H horizon up to two inches thick may be present .There is no visible evidence of accumulated salts or gley,In the surveyed area, Orthic Regosols that occur on alluvialcolluvialfans were assigned to the Grindrod series . Those found onthe drier, forested alluvial river and stream deposits are the Falklandseries . The soils that occur in the more humid forested areas are theYard series . Regosols were also included with two other subgroups inthe Mabel complex . Orthic Regosol beach deposits were assigned to theCelista series .Orthic Regosol Soils (Calcareous Phase)These are Orthic Regosols which are calcareous throughout theprofile . They occur on glacio-lacustrine materials as the Grier series .Gle,yed Orthic Regosol SoilsThe Gleyed subgroup is composed of mineral soils Orthic in theupper part of the profile, but with faint mottling in the C horizons .These soils are represented in the surveyed area by the Rumball series,which is derived from alluvial river and stream deposits . Gleyed Orth icRegosols also occur as undifferentiated parts of the Mabel complex.Mull Regosol Soils (Calcareous Phase )This is a subgroup of mineral soils lacking horizon developmentother than an Ah horizon . Under forest an L-H horizon up to two inchesthick may be present . These soils are calcareous throughout the profile. Representatives are the Schindler series on fan deposits, andthe Bolean series, which is derived from river and stream deposits .