A GIS-Enabled Approach for Assessing Damage Potential of Levee Systems Based on Underlying Geology and River Morphology

Table 10

Delineation of clay and sand layers in Feather River area.

Location	Material	Depth	Depth order	Layer ref.	Absolute elevation (m) MSL = 0
					From	To	Layer range
Feather South and RD784	Clay	Shallow	1	1st clay	17	10	7
Marysville					22	13	9
Feather North					25	17	8
Feather South and RD784	Sand	Shallow	2	1st sand	11	6	5
Marysville					15	8	7
Feather North					20	12	8
Feather South and RD784	Clay	Deep	3	2nd clay	7	0	7
Marysville					7	0	7
Feather North					12	6	6