Maps vocab crossword

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Across
  1. 3. A line that splits the earth going horizontal.
  2. 6. A space between North and West.
  3. 7. A size reference.
  4. 8. Someone who makes maps.
Down
  1. 1. Runs north and south.
  2. 2. Between North and East.
  3. 4. Where East and West are determined (just put as one word.)
  4. 5. Runs East to west.
  5. 7. Something visible representing invisible things.