Mount Rushmore

12345678910
Across
  1. 4. to take part
  2. 5. name of the US president's residence
  3. 7. at the head of a government
  4. 9. sculpted
  5. 10. state of Mount Rushmore
Down
  1. 1. emblematic
  2. 2. to merit
  3. 3. they are 50 in the USA
  4. 6. to upgrade
  5. 8. stones