McKean, JamesDeWitt, JerryQuisenberry, SharronDennis, MerlinKopp, Dennis D.2019-09-182019-09-181985https://hdl.handle.net/11299/2073151 online resource (PDF, 3 pages)This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.enReport