Table 2. Typical Overburden Materials at Island Site 





Surface 



5 



12 



18 



24 1 



(feet) 1 



Sample Depth 













Below Bottom 













(feet) 













Dry Wt. , lbs/ ft 3 



80.0 



98.0 



99.0 



97.0 



94.0 



Wet Wt., lbs/ft 3 



101.0 



123.0 



123.0 



119.0 



117.0 



Percent Moisture 



27.0 



26.0 



25.0 



23.0 



25.0 



U.S. Standard Sieves 













Percent Passing 













(number) 













30 



99.7 



100.0 



100.0 



99.8 



99.8 



50 



99.5 





99.8 







80 



99.2 



99.8 



99.6 



99.7 



99.5 



100 



98.9 



99.6 



99.3 



99.5 



99.1 



140 



96.8 



98.8 



97.6 



98.0 



95.1 



200 



59.6 



76.6 



81.2 



80.6 



61.3 



270 



30.9 



37.1 



56.4 



52.9 



37.9 



Hydrometer Test 













Effective Particle 













Size (mm) 













(percent smaller) 













0.050 







46.0 







0.037 







32.5 







0.024 







23.0 







0.017 







19.1 







0.010 







15.9 







0.0072 







12.7 







0.0050 







11.1 







0.0035 







9.5 







0.0027 







6.3 







13 



