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Topsoil. <br />Sand: Clean to silty, fine to medium grained with sandstone fragments, non plastic, <br />medium dense to dense, dry to moist and tan to light brown. <br />~~ Sand and Clay: Interbedded layers of very sandy clays and very clayey sands, fine to <br />1~ medium grained with sandstone fragments, ]ow to medium plastic, loose to very dense, <br />`~ moist to wet and light brown to dark brown. <br />~~ Clay: Slightly to very sandy with occasional bedrock fragments, low to medium plastic, <br />~~ medium to very still to hard, moist to wet and brown to black to grey. <br />Sandstone Bedrock: Silty, fine to medium grained, non plastic, slightly to highly <br />cemented, medium bard to very hard, slightly moist to moist end Dght brown to tan. <br />Claystone Hedrock: Slightly sandy with occasional sandstone lenses interbedded, <br />medium to highly plastic, herd to very hard, moist and brown with iron staining. <br />Drive sample, 2-inch I.D. California liner sample. <br />23/12 Drive sample blow count, Indicates 23 blows of a 190-pound hammer falling 30 inches <br />were required to drive the sampler 12 Snches. <br />D <br />Depth to water level and number o} days after drilling that measurement was taken. <br />~ Large disturbed sample. <br />I Indicates portion of test holes cased with slotted P.V.C. pipe. <br />GROUND ENGINEERING CDNS[ILTAN7S, INC. <br />Legend <br />Job No. 91-562 Figure 4 <br />