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rt <br /> SIERRA <br /> EXPLANATION FOR SES BORING LOGS <br /> e e e o GRAVEL _-_- CLAY <br /> 4 0 0 0 <br /> 0 0 0 o Sandy GRAVEL =__- Sandy CLAY <br /> e e o e <br /> Silty GRAVEL -==- <br /> o-o-e-e- � Silty CLAY/Clayey SILT <br /> o-a-e-e- ++++ <br /> e_e_e=e- Clayey GRAVEL .... Organics <br /> SAND " w " w Hard Rock <br /> www wwlw <br /> -_- --�"_- Silty SAND/Sandy SILT Slough <br /> fes_ _ fill <br /> ---- <br /> Clayey SAND ::::::: <br /> Y Y Asphalt <br /> SILT Concrete <br /> aeras <br /> - - - - - - Contact between sedimentary or <br /> K = Field estimation of soil lithologic units, dotted where <br /> hydraulic conductivity approximate, dashed where <br /> uncertain <br /> Drive sample interval Initial water level <br /> 4 measured during <br /> Drive sample collected drilling (date in italics) <br /> for possible chemical <br /> analysis Static water level, <br /> rl measured after well <br /> Note Sods are logged ustng ASM D2487 development (date in italics) <br /> sod classtfkMaon System <br />