Tree Ring Studies in North Dakota.
George F. Will. Bulletin, Agricultural Experiment Station, North Dakota Agricultural College, No. 338. Fargo, N. D., 1946. 24 pages, 2 maps, 6 figures.
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1959 ◽
Vol 115
(9)
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pp. 334-340
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1945 ◽
Vol 34
(9)
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pp. 225-231
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1994 ◽
Vol 10
(3)
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pp. 112-117
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2000 ◽
Vol 71
(3)
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pp. 283-289
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