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<br /> .San Joaquin County, California 129
<br /> annual precipitation is about 15 inches, the average by construction activities. Included areas make up about
<br /> `annual air temperature is about 60 degrees F, and the 15 percent of the total acreage.
<br /> average frost-free period is about 260 days. The Tokay soil is very deep and well drained. It
<br /> Typically, the surface layer is grayish brown fine formed in alluvium derived from granitic rock sources.
<br /> sandy loam about 19 inches thick. The subsoil is Typically, the surface layer is grayish brown fine sandy
<br /> grayish brown, brown, and pale brown fine sandy loam loam about 19 inches thick. The subsoil is grayish
<br /> about 26 inches thick. The substratum to a depth of 60 brown, brown, and pale brown fine sandy loam about
<br /> inches is pale brown fine sandy loam. 26 inches thick. The substratum to a depth of 60 inches
<br /> Included in this unit are small areas of Devries and is pale brown fine sandy loam.
<br /> Tujunga soils in the slightly lower landscape positions. Permeability is moderately rapid in the Tokay soil.
<br /> Also included are small areas of Acampo and Kingdon Available water capacity is high. The effective rooting
<br /> soils in landscape positions similar to those of the depth is 60 inches or more. Runoff is slow, and the
<br /> Tokay soil. Included areas make up about 15 percent of hazard of water erosion is slight. The rate of water
<br /> the total acreage. intake in irrigated areas is 1.5 inches per hour. The
<br /> Permeability is moderately rapid in the Tokay soil. hazard of soil blowing is moderate.
<br /> Available water capacity is high. The effective rooting Urban land consists of areas covered by roads,
<br /> depth is 60 inches or more. Runoff is slow, and the driveways, sidewalks, parking lots, buildings, and other
<br /> hazard of water erosion is slight. The rate of water structures. The soil material under the impervious
<br /> `intake in irrigated areas is 1.5 inches per hour. The surface is similar to that of Tokay fine sandy loam.
<br /> hazard of soil blowing is moderate. Most areas are used for urban development. A few
<br /> Most areas are used for irrigated crops, orchards, or areas are used for irrigated crops, orchards, or
<br /> —vineyards. A few areas are used for homesite vineyards. This unit may provide wetland functions and
<br /> development. This unit may provide wetland functions values. These should be considered in plans for
<br /> and values. These should be considered in plans for enhancement of wildlife habitat or land use conversion.
<br /> enhancement of wildlife habitat or land use conversion. Few limitations affect the use of the Tokay soil for
<br /> This unit is well suited to irrigated crops. General urban development.
<br /> management considerations include the hazard of soil The Tokay soil is well suited to irrigated crops.
<br /> blowing. A tillage pan forms easily if the soil is tilled General management considerations include the hazard
<br /> when wet. Chiseling or subsoiling breaks up the pan. of soil blowing. A tillage pan forms easily if the soil is
<br /> Furrow, border, and sprinkler irrigation systems are tilled when wet. Chiseling or subsoiling breaks up the
<br /> suitable. When the wind velocity is high in spring, the pan. Furrow, border, and sprinkler irrigation systems are
<br /> .hazard of soil blowing can be reduced by property suitable. When the wind velocity is high in spring, the
<br /> managing all crop residue and by minimizing tillage. hazard of soil blowing can be reduced by properly
<br /> Few limitations affect the use of this unit for homesite managing all crop residue and by minimizing tillage.
<br /> development. The Tokay soil is in capability class I (MLRA-17),
<br /> This map unit is in capability class I (MLRA-17), irrigated, and capability unit IVc-1 (MLRA-17),
<br /> irrigated, and capability unit IVc-1 (MLRA-17), nonirrigated. It is in vegetative soil group A. The Urban
<br /> nonirrigated. It is in vegetative soil group A. land is not assigned a capability classification or a
<br /> vegetative soil group.
<br /> 257—Tokay-Urban land complex, 0 to 2 percent
<br /> slopes.This nearly level map unit is on low fan 258—Trahern clay loam, partially drained, 0 to 2
<br /> ,terraces. Elevation is 20 to 100 feet. The average percent slopes. This somewhat poorly drained, nearly
<br /> annual precipitation is about 15 inches, the average level soil is on low terraces. It is moderately deep to a
<br /> annual air temperature is about 60 degrees F, and the hardpan. It formed in alluvium derived from mixed rock
<br /> average frost-free period is about 260 days. sources. Mottles in the profile indicate a somewhat
<br /> This unit is 50 percent Tokay fine sandy loam and 35 poorly drained soil; however, drainage has been
<br /> Percent Urban land. The components of this unit occur improved by levees and reclamation projects. Elevation
<br /> as areas so intricately intermingled that it was not is 20 to 40 feet. The average annual precipitation is
<br /> Practical to map them separately at the scale used. about 11 inches, the average annual air temperature is
<br /> Included in this unit are small areas of Columbia, about 60 degrees F, and the average frost-free period is
<br /> Devries, and Tujunga soils in the slightly lower about 260 days.
<br /> , landscape positions. Also included, in landscape Typically, the surface layer is grayish brown and
<br /> Positions similar to those of the Tokay soil, are small gray, mottled clay loam about 14 inches thick. The
<br /> areas of Acampo soils and soils that have been altered upper 14 inches of the subsoil is light brownish gray,
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