Related Clues:
- See 90-Across
- Archeozoic, e.g.
- Tie indicator
- Depression, for one
- 1970's-80's cause, for short
- Gay 90's, e.g.
- One's partner
- History text topic
- It may have periods
- Feminist pitcher's concern?
- Cheer competition
- Word before ''that'' or ''there''
- Geological time
- Geologist's time division
- Oft-nicknamed period