cpe	gravel	veg	slope
0	0	0	7.3
5	5.2	10.1	1.5
1	0.3	1.1	2.2
10	5.5	13.6	1.2
12	6.7	7.3	1.7
0	0.8	10.9	5.3
1	0.1	10	8.3
3	1.9	0	3
25	8.3	0	1.5
0	0.5	5	4.3
98	11.1	1.8	1.5
2	0.9	4	4.3
15	6.6	1.3	1.1
60	10	11	1.4
0	3	0	5.9
1	1	7.7	8
7	5.9	1	1.3
1	1	4	4.4
0	4	0	8.7
5	4.3	7.6	1.4