NDSU Extension forester Joe Zeleznik collects a sample from a bur oak along the Red River. (NDSU photo)
NDSU Extension forester Joe Zeleznik collects a sample from a bur oak along the Red River. (NDSU photo)https://www.ag.ndsu.edu/news/newsreleases/2018/dec-3-2018/ndsu-and-umn-researchers-to-unearth-old-red-river-flood-evidence/ndsu-extension-forester-joe-zeleznik-collects-a-sample-from-a-bu/viewhttps://www.ag.ndsu.edu/news/newsreleases/2018/dec-3-2018/ndsu-and-umn-researchers-to-unearth-old-red-river-flood-evidence/ndsu-extension-forester-joe-zeleznik-collects-a-sample-from-a-bu/@@download/image/2018-12-07.1465809988
NDSU Extension forester Joe Zeleznik collects a sample from a bur oak along the Red River. (NDSU photo)
