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Table 9: Age class acreage by forest type for timberland, reserved, and other forest plots, (1977-2005), Minnesota

Jack pine forest type group

	Timberland			Reserved		Other forest
Age	1977	1990	2005	1990	2005	1990	2005
5	22,700	28,800	21,008	0	3,957	0	0
15	19,000	38,600	23,315	0	0	0	755
25	64,500	27,100	54,388	0	2,755	0	0
35	98,900	37,200	60,237	0	6,924	0	0
45	114,800	83,700	44,203	3,400	14,701	0	0
55	98,500	92,900	58,339	14,200	9,010	0	0
65	52,400	86,200	39,195	39,200	5,978	0	0
75	8,000	28,500	29,954	40,800	7,913	0	0
85	12,200	10,300	17,158	26,400	17,719	0	0
95	10,700	3,800	4,764	7,500	14,268	0	0
105	1,350	3,300	0	0	5,723	0	0
115	1,350	0	3,794	0	0	0	0
125	0	5,300	0	0	0	0	0
135	0	0	0	0	0	0	0
145	0	0	0	0	0	0	0
Total	504,400	445,700	356,354	131,500	88,950	0	755

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