https://www.pref.hokkaido.lg.jp/fs/1/0/1/8/7/5/8/2/_/%E5%8C%97%E6%B5%B7%E9%81%93%E5%91%8A%E7%A4%BA%E7%AC%AC10869%E5%8F%B7(%E5%85%A5%E6%9C%AD%E3%81%AE%E5%AE%9F%E6%96%BD).pdf

https://www.pref.hokkaido.lg.jp/fs/1/0/3/5/5/4/0/2/_/%E4%BB%A4%E5%92%8C6%E5%B9%B4%E5%BA%A6%E5%AE%87%E5%AE%99%E9%96%A2%E9%80%A3%E3%83%93%E3%82%B8%E3%83%8D%E3%82%B9%E5%8A%A0%E9%80%9F%E5%8C%96%E3%83%97%E3%83%AD%E3%82%B8%E3%82%A7%E3%82%AF%E3%83%88%E6%8E%A8%E9%80%B2%E4%BA%8B%E6%A5%AD(%E5%AE%87%E5%AE%99%E7%94%A3%E6%A5%AD%E4%BA%BA%E6%9D%90%E7%A2%BA%E4%BF%9D)%E5%A7%94%E8%A8%97%E6%A5%AD%E5%8B%99%E3%80%90%E5%85%A5%E6%9C%AD%E7%B5%90%E6%9E%9C%E3%83%BB%E8%A9%95%E4%BE%A1%E7%B5%90%E6%9E%9C%E3%80%91.pdf