French, David W.Ascerno, Mark E.Stienstra, Ward C.2019-07-292019-07-291977https://hdl.handle.net/11299/204937This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.endutch elm disease controlelm bark beetlesThe Dutch Elm Disease (Revised 1977)Other