The output is a ten-element list containing: w = water content (as
decimal), S = degree of saturation (as decimal), e = void ratio (as
decimal), n = porosity (as decimal), Gs = specific gravity, gammaT = total
unit weight, gammaD = dry unit weight, gammaS = unit weight of solids,
gammaW = unit weight of water, and gammaB = buoyant unit weight