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Custom Soil Resource Report <br />Map Unit Legend <br />Adams County Area, Parts of Adams and Denver Counties; Colorado (C0001) - <br />Map Unit Symbol <br />Map Unit Name <br />=Acres in AOI <br />Percent of A01 - ' <br />AED <br />Arents, earthen dam <br />3.0 <br />22.0% <br />Bt <br />Blakeland- Truckton association <br />2.4 <br />17.5% <br />W <br />Water <br />8.2 <br />60.5% <br />Totals for Area of Interest <br />13.5 <br />100.0% <br />Map Unit Descriptions <br />The map units delineated on the detailed soil maps in a soil survey represent the soils <br />or miscellaneous areas in the survey area. The map unit descriptions, along with the <br />maps, can be used to determine the composition and properties of a unit. <br />A map unit delineation on a soil map represents an area dominated by one or more <br />major kinds of soil or miscellaneous areas. A map unit is identified and named <br />according to the taxonomic classification of the dominant soils. Within a taxonomic <br />class there are precisely defined limits for the properties of the soils. On the landscape, <br />however, the soils are natural phenomena, and they have the characteristic variability <br />of all natural phenomena. Thus, the range of some observed properties may extend <br />beyond the limits defined for a taxonomic class. Areas of soils of a single taxonomic <br />class rarely, if ever, can be mapped without including areas of other taxonomic <br />classes. Consequently, every map unit is made up of the soils or miscellaneous areas <br />for which it is named and some minor components that belong to taxonomic classes <br />other than those of the major soils. <br />Most minor soils have properties similar to those of the dominant soil or soils in the <br />map unit, and thus they do not affect use and management. These are called <br />noncontrasting, or similar, components. They may or may not be mentioned in a <br />particular map unit description. Other minor components, however, have properties <br />and behavioral characteristics divergent enough to affect use or to require different <br />management. These are called contrasting, or dissimilar, components. They generally <br />are in small areas and could not be mapped separately because of the scale used. <br />Some small areas of strongly contrasting soils or miscellaneous areas are identified <br />by a special symbol on the maps. If included in the database for a given area, the <br />contrasting minor components are identified in the map unit descriptions along with' <br />some characteristics of each. A few areas of minor components may not have been <br />observed, and consequently they are not mentioned in the descriptions, especially <br />where the pattern was so complex that itwas impractical to make enough observations <br />to identify all the soils and miscellaneous areas on the landscape. <br />The presence of minor components in a map unit in no way diminishes the usefulness <br />or accuracy of the data. The objective of mapping is not to delineate pure taxonomic <br />classes but rather to separate the landscape into landforms or landform segments that <br />have similar use and management requirements. The delineation of such segments <br />on the map provides sufficient information for the development of resource plans. If <br />10. <br />