Supporting Documentation · Feb 1, 2023
2022 08 Drainage Report
03dc830dad837ba851c1965f71e284e693db9e5783123063d42d4e9c3b805bf9Indexed text · page 21
Show all pagesCustom Soil Resource Report Map Unit Legend ‘Map Unit Symbot ‘Map Unit Name ‘ores in AO! Percent of AOL Boge Bows HanBe jussoNne Yaob8e ‘Yaonen Totals for Area of interost 158, [Boonton loam, 8 to 18 percent rr) ‘slopes, extremely stony Boonton - Urban land, Boonton uw substratum complex, red sandstone lowland, 0to 8 percent slopes. Haledon sittoam, 0 108 37] percent slopes, extremely stony Urban land, Boonton 07] substratum - Boonton complex, 0108 percent slopes Yalesville- Boonton - Holyoke 73] ‘complex, 0 to 8 percent slopes, extremely stony ‘Yaesvile - Holyoke complex, 13) '35 0 60 percent slopes, very rocky Map Unit Descriptions landscape, however, the soils are natural phenomena, and they have the characteristic variability of all natural phenomena. Thus, the range of some ‘observed properties may extend beyond the limits defined for a taxonomic class. ever, can be mapped without have properties similar to those of the dominant soil or they do not affect use and management. These are ‘components. They may or may not be ment iption. Other minor components, however, have properties, and behavioral characteristics divergent enough to affect use or to require different management. These are called contrasting, oF dissimilar, components. They generally are in small areas and could not be mapped separately because of the Custom Soil Resource Report scale used. Some small areas of strongly contrasting soils or miscellaneous areas are identified by a special symbol on the maps. If included in the database for a given area, the contrasting minor components are identified in the map descriptions along with some characteristics of each. A few areas of ‘components may not have been observed, and consequently they are not mentioned in the descriptions, especially where the pattern was so complex that it was impractical to make enough observations to identify all the soils and miscellaneous areas on the landscape. ‘The presence of minor components in a map unit in no way diminishes the usefulness or accuracy of . The objective of mapping is not to delineate Pure taxonomic classes but ‘An identifying symbol precedes the map unit name in the map unit descriptions, Each description inciudes general facts about the unit and gives important soil properties and qualities, Soils that have profiles that are almost alike make up a soil series. Except
it descriptions, Each description inciudes general facts about the unit and gives important soil properties and qualities, Soils that have profiles that are almost alike make up a soil series. Except for differences in texture of the surface 1¢ soils of a series have major horizons that are similar in compos! 1e8s, and arrangement. Soils of one series can differ in texture of the surface layer, slope, stoniness, cleristics that affect their use, On the basis of such differences, a soil series is divided into soil phases. Most of the areas shown on the detailed soil maps are phases of soll series, The name of a soil phase commonly indicates a feature that affects use or management. For example, Alpha silt loam, 0 to 2 percent slopes, is a phase of the Alpha series. ‘Some map units are made up of two or more major soils or miscellaneous areas. ‘These map units are complexes, associations, or undifferentiated groups. ‘A complex consists of two or more soils or miscellaneous areas in such an intricate pattern or in such small areas that they cannot be shown separately on the maps. The paltern and proportion of the soils or miscellaneous areas are somewhat similar in all areas. Alpha-Beta complex, 0 to 6 percent slopes, is an example. ‘An association is made up of two or more geographically associated soils or miscellaneous areas that are shown as one unit on the maps. Because of present or anticipated uses of the map units in the survey area, it was not considered practical or necessary to map ‘miscellaneous areas separately. The pattern and relative proportion of the soils or miscellaneous areas are somewhat similar. Alpha-Beta association, 0 to 2 percent slopes, is an example. ‘An undifferentiated group is made up of two or more soils or miscellaneous areas that could be mapped individually but are mapped as one unit because similar interpretations can be made for use and management. The pattern and proportion of the soils or miscellaneous areas in a mapped area are not uniform. An area can be made up of only one of the major soils or miscellaneous areas, or it can be made up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example. Some surveys include miscellaneous areas. Such areas have litle or no soil material and support litte or no vegetation. Rock outcrop is an example.
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