"SlopeCode"	"SlopeClass"
1	"Class1_0-8%"
2	"Class2_8-30%"
3	"Class3_>30%"
4	"Class1+2"
5	"Class1+3"
6	"Class2+3"
7	"Class1+2+3"
8	"Water"
9	"Ice"
0	"AllOthers"
-9999	"NoData"