Glorious Glaciers (By Will Edlin)

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Across
  1. 1. Long narrow lake in the bottom of a glacial trough
  2. 6. An eroded interlocking spur
  3. 7. Roughly the percentage of the earth that is currently covered in ice
  4. 9. The result of an eroded summit
  5. 10. A lake formed in a corrie
  6. 11. A deep depression on a hillside with a steep back wall
  7. 12. A slowly moving mass or river of ice
Down
  1. 2. Largest area of glacial ice outside of Antarctica
  2. 3. A sharp mountain ridge
  3. 4. Deposits of angular rock found at the foot of rock outcrops
  4. 5. Represents a glacier's max advance
  5. 8. A tributary glacial trough upon the side of a main valley