Plot the $N_{60}$ profile given the SPT values and details shown below. Provide the soil's consistency description based on the identified soil type and $N_{60}$ value. Estimate the strength parameters for each layer $($use tables from class or other estimates online$)$

Test performed in the United States using a Safety Rope and Pulley Hammer

Split$-$Spoon sampler with liner for loose sand

Diameter of borehole is $3\mathrm{.}0$ in

$\backslash$table$[[$Depth start $($ft$),$Blows to penetrate $18$ inches,Soil Description$],[1\mathrm{.}5,6-6-8,$Light brown sand$],[5,4-7-7,$Light brown sand$],[10,11-14-11,$Reddish gray silty sand$],[15,8-12-12,$Reddish gray silty sand$],[20,8-11-10,$Gray silty sand$],[25,2-4-2,$Dark gray clayey silt$],[30,2-2-1,$Dark gray Clay$],[35,1-9-8,$Dark gray Clay$],[40,3-11-9,$Dark gray Clay$]]$

Boring terminated at $40$ ft$.$ Ground Water Table not encountered