3.
Popular athletic footwear
4.
Org. overseeing quadrennial games
5.
Hawks' and Bucks' org.
10.
Province east of N.B.
23.
Greet with loud laughter
28.
Site of a famous gunfight
29.
- off, began golf game
31.
The Beatles' "Revolver," "Abbey Road," etc.
32.
Sounds of satisfaction
47.
Letter of the greek alphabet
48.
High-altitude hairy ox