Related Clues:
- Squirrel hangout
- Source of acorns
- Tree with acorns
- Common furniture wood
- Material for some 59 Down
- Iowa's tree
- Oklahoma's ___ Tree National golf course
- Sturdy hardwood tree
- Symbol of mightiness
- Strength symbol
- Acorn creator
- Tree on a Connecticut state quarter
- 27 Across makeup, maybe
- 'Charter' tree
- Source of some expensive wood