Morris, W. E.Warrington, S. T.Eggert, R. J.2014-12-302014-12-301937-12https://hdl.handle.net/11299/16853216 pages; includes photographs and plan. 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.en-USNewsletter or Bulletin