Winter 6

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Across
  1. 3. Fish specially adapted to live in frigid polar waters
  2. 4. Yellow-flowering shrub that blooms during colder months
  3. 6. Naturally formed cylinder of wind-rolled snow
  4. 8. Hardy yellow flower that blooms in far northern regions
  5. 10. Insulated container that keeps drinks hot in cold weather
Down
  1. 1. Compressed snow firm enough to walk on
  2. 2. Suitable for clearing with a snowplow
  3. 5. Partly melted and watery, like snow on a warm day
  4. 7. Describing long winter nights with limited daylight
  5. 9. Country known for long winters and snowy landscapes