United States Department of Agriculture
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Changes in Land Cover/Use Between 1987 and 1992

1,000 of acres
Land Cover/Use 
in 1987 		Cultivated Cropland 92 Non-
cultivated Cropland 92 		Pasture-
land 
92 		Range-
land
92 		Forest
Land
92 		Minor
Land
92 		Urban
Built-Up
92 		Rural
Trans
92 		Small
Water
92  		Census
Water
92 		Federal
Land
92 		CRP Land 92 1987 Total
Cropland Cultivated 3440.0 77.0 269.7 0.0 149.6 76.6 42.8 2.3 1.8 0.2 0.1 168.1 4228.2
Error (94.1) (13.2) (28.6) (0.0) (20.4) (12.8) (5.8) (1.3) (0.6) (0.2) (0.1) (2.3) (97.2)
Cropland Non-cultivated 37.1 199.1 26.5 6.3 7.7 2.8 3.0 0.0 0.1 0.0 0.0 0.0 282.6
Error (8.7) (20.0) (7.5) (6.3) (3.4) (2.8) (1.1) (0.0) (0.1) (0.0) (0.0) (0.0) (26.0)
Pastureland 170.4 37.4 3191.2 0.0 276.9 22.3 26.5 2.3 2.9 0.1 0.0 17.8 3747.8
Error (29.5) (10.5) (90.6) (0.0) (25.5) (7.8) (3.8) (0.9) (1.3) (0.1) (0.0) (3.0) (100.5)
Rangeland 0.0 0.0 0.0 68.2 0.0 0.0 0.2 0.0 0.0 0.0 0.0 16.0 84.4
Error (0.0) (0.0) (0.0) (22.8) (0.0) (0.0) (0.2) (0.0) (0.0) (0.0) (0.0) (0.0) (22.8)
Forest Land 29.3 1.2 74.5 0.4 20502.8 26.1 103.6 8.2 9.5 1.2 7.7 5.9 20770.4
Error (7.30 (1.2) (13.5) (0.4) (147.5) (6.9) (8.2) (2.3) (2.1) (0.0) (2.5) (5.9) (146.8)
Minor land cover/uses 0.9 2.6 15.5 0.0 123.1 406.5 10.4 0.0 0.0 0.0 0.0 0.0 559.0
Error (0.9) (1.8) (6.5) (0.0) (24.8) (25.9) (5.3) (0.0) (0.0) (0.0) (0.0) (0.0) (39.8)
Urban-small and large built-up 0.0 0.0 0.0 0.0 0.0 0.0 1087.2 0.0 0.0 0.0 0.0 0.0 1087.2
Error (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (57.2) (0.0) (0.0) (0.0) (0.0) (0.0) (57.2)
Rural transportation - roads and railroads 1.1 0.0 0.0 0.0 2.4 0.0 0.8 552.1 0.0 0.0 0.0 0.0 556.4
Error (0.7) (0.0) (0.0) (0.0) (1.0) (0.0) (0.3) (9.6) (0.0) (0.0) (0.0) (0.0) (9.8)
Water-small-streams <660 feet wide and water bodies < 40 acres 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 321.1 0.0 0.0 0.0 321.1
Error (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (12.2) (0.0) (0.0) (0.0) (12.2)
Water-census-streams>=660 feet wide and water bodies >=40 acres 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 841.7 0.0 0.0 841.7
Error (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (14.1) (0.0) (0.0) (14.1)
Federal land-cover/use not recorded 0.1 0.0 0.0 0.0 1.0 0.0 0.0 0.0 0.0 0.0 943.9 0.0 945.0
Error (0.1) (0.0) (0.0) (0.0) (1.0) (0.0) (0.0) (0.0) (0.0) (0.0) (1.3) (0.0) (0.2)
Conservation Reserve Program 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Error (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (0.0) (0.0)
Total 3678.9 317.3 3577.4 74.9 21063.5 534.3 1274.5 564.9 335.4 842.3 951.7 207.8 33423.8
Error (89.3) (25.1) (96.2) (22.0) (142.0) (31.1) (62.1) (10.1) (12.4) (14.4) (1.1) (6.6) (68.7)
The number at the intersection of rows and columns with the same land cover/use designation represents acres that did not change from 1987 to 1992. Reading to the right or left of this number are the acres that were converted to other uses in 1992. Reading up and down from this number are the acres that were converted from other uses in 1987.

NOTES: Total estimates may be adjusted to account for rounding. The error referred to in the table is the standard error of the estimate. You can obtain the margin of error at the 95% confidence limit by multiplying the error by 1.96.
 

 



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