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1 <br />1 <br /> Soil complexes were only used where two or more soil <br /> and/or land types were so intermixed that delineation was <br />' impractical or unneccessary for the intended use of the <br /> survey. These complexes generally contain soil types with <br />' i <br />il <br />t <br />il <br />il <br />bilit <br />d <br />it <br /> s <br />m <br />ar <br />opso <br />ava <br />a <br />y an <br />su <br />ability with similar <br />' depths, slopes, and physical and chemical characteristics. <br /> Associations are generally used in areas which will <br /> not be disturbed or where field observations conclusively <br /> determined that the associated series were unsuitable because <br />' of stoniness <br />ture <br />relat <br />Th <br />w <br />obbl <br />te <br />o <br />d <br />bl <br />s <br /> , c <br />y <br />x <br />, <br />r <br />e <br />pro <br />em <br />. <br />ey <br />ere <br />' not applicable to this project. <br /> 1.4.4 Sampling and Profile Description <br />1 <br /> Representative profiles from three soil series phases <br />' or phase of series variants were sampled and described in <br /> detail. The representative profile for the sample soils was <br /> selected on the basis of median characteristics for parent <br />' material, landscape position, physical characteristics, and <br /> vegetation. Each profile was sampled and described by horizon <br />' to a depth of more than 60 inches or bedrock. Surface and <br /> subsoil horizons were sampled at intervals of one foot or <br />' <br /> less. Subhorizons were sampled at intervals of 18 inches <br />' or less to a depth of six feet or bedrock. <br /> A one-quart sample from each soil horizon, subdivided <br />' horizon or contrasting layer was collected and air-dried. <br /> <br />' - 7 <br />