Starkey, Winona M.2014-12-302014-12-301964https://hdl.handle.net/11299/16881916 pages; includes drawings and plans. 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-USHere's how to make step by step slip coversNewsletter or Bulletin