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2010 Irrigation Trends

Table 5: Estimated cropland and pastureland irrigation in Montana
Year Irrigated Non-Irrigated
1982 2,789.9
(margin of error +- 267.7)
17,484.2
(margin of error +- 887.9)
1987 2,719.7
(margin of error +- 279.7)
16,637.8
(margin of error +- 890.3)
1992 2,789.1
(margin of error +- 286.7)
15,647.4
(margin of error +- 903.3)
1997 2,937.8
(margin of error +- 292.8)
15,723.2
(margin of error +- 879.1)
2002 2,892.2
(margin of error +- 414.3)
15,250.0
(margin of error +- 878.2)
2007 2,730.6
(margin of error +- 457.1)
15,210.2
(margin of error +- 941.6)
2010 2,730.3
(margin of error +- 457.5)
15,522.9
(margin of error +- 956.6)


graphical representation of data presented in preceding table