Jordan, R. M.Egertson, KenEpley, RichardRobinson, R. A.Martin, Neal2019-09-182019-09-181986https://hdl.handle.net/11299/2074701 online resource (PDF, 4 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