Fig. 5. Plots of 
(q) vs. q for soil groups shown in Fig. 1, (a) Group 1, (b) Group 2, and (c) Group 3. All soils with clay content <10% exhibited spectra similar to those in Group 1 (data not shown).
Fig. 5. Plots of (q) vs. q for soil groups shown in Fig. 1, (a) Group 1, (b) Group 2, and (c) Group 3. All soils with clay content <10% exhibited spectra similar to those in Group 1 (data not shown).