Bur oak trees that are submerged in the Red River, like this one near Fargo, can preserve a permanent record of flooding in their annual growth rings. (NDSU photo)
Bur oak trees that are submerged in the Red River, like this one near Fargo, can preserve a permanent record of flooding in their annual growth rings. (NDSU photo)https://www.ag.ndsu.edu/news/newsreleases/2018/dec-3-2018/ndsu-and-umn-researchers-to-unearth-old-red-river-flood-evidence/bur-oak-trees-that-are-submerged-in-the-red-river-like-this-one-/viewhttps://www.ag.ndsu.edu/news/newsreleases/2018/dec-3-2018/ndsu-and-umn-researchers-to-unearth-old-red-river-flood-evidence/bur-oak-trees-that-are-submerged-in-the-red-river-like-this-one-/@@download/image/2018-12-07.2567991733
Bur oak trees that are submerged in the Red River, like this one near Fargo, can preserve a permanent record of flooding in their annual growth rings. (NDSU photo)
