A River of Ice

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Across
  1. 3. to cut or mark with something rough, sharp,or pointy
  2. 5. to push
  3. 8. an area of low land between hills or mountains
  4. 9. a deep crack
  5. 10. to move against something else or against each other
Down
  1. 1. a deep inlet
  2. 2. to take place or occur
  3. 4. the period during which all events, conditions, and actions happen or continue
  4. 6. during the time of
  5. 7. river of ice