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National Resource Inventory (NRI)

Table 10 - Estimated average annual sheet and rill erosion on nonfederal land, by state and year
State Year

Cropland

 CRP land Pastureland
Cultivated Non-cultivated Total

tons/acre/year

Illinois

1982

6.3

1.2

6.2

----

1.6
 

1987

5.3

1.5

5.2

4.3

1.3
 

1992

4.4

1.6

4.3

1.2

1.0
 

1997

4.1

0.6

4.0

0.5

1.0

National Resources Inventory
(Revised December 2000)