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December 10, 1999 <br /> Job Number: 599308 <br /> Page 5 <br /> silt, and clay' (Plate 6). These types of deposits are commonly unconsolidated arkosic sediment, <br /> often heterogeneous in nature, and correspond with the Tioga glaciation in the Sierra Nevada. <br /> Five soil types are found on property. Selected soil properties of the five soil types are <br /> summarized in the following table and can be found on Plate V <br /> —San Joaquin County Soil Survey— <br /> Selected Soil Properties of Onsite Soils 4 <br /> Soil Depth(in) Unified Soil Salinity Soil Permeability Septic tank <br /> Name Classification mmhos/cm Reaction in/hr absorption <br /> and Map pH fields <br /> Symbol <br /> Manteca 0-11:Fine sandy SM <2 7.4-8.4 2.0-6.0 Severe: <br /> fine sandy loam Cemented <br /> loam, 196 11-24:Fine sandy SM, SC-SM <2 7.4-8.4 2.0-6.0 pan. <br /> loam,loam,sandy <br /> loam. <br /> 24-35: Indurated. — — — — <br /> 35-54: Cemented — — — — <br /> 54-74: Stratified SM,ML <2 7.4-N 4 2.0-6.0 <br /> loamy sand to loam. <br /> Timor 0-14:Loamy sand. SM <2 6,0-7.8 00-20 Severe: <br /> loamy 14-56: Loamy sand, SM <2 Poor filter. <br /> sand,254 loamy coarse sand, 7 4-';.4 0_0-20 <br /> sand <br /> 56-60: Cemented — — <br /> ' RW.Page, 1986, Geology of the Fresh Ground-Water Basin of the Central Valley, California,with <br /> Texture Maps and Sections. Unites States Geologic Survey Professional Paper 1401-C. <br /> 4 USDA Soil Conservation Service, Soil Survey of San Joaquin County,California, Sheet 31. <br /> pees% <br /> x <br /> o � <br /> ass o c• <br />