1. Venue to do 46A
6. Flower feature
11. P.I., e.g.
14. Energize
15. Clear, as a disk
16. A taxing mo.
17. Like falling off a log
19. Crucial
20. Farm sight
21. Elite military unit
22. One end of a pool
23. "Yuck!"
25. Lone player
27. Western wear, perhaps
32. Blow off steam
33. Bank offering, for short
34. It comes after wisdom
36. Campus figures with figures
39. Baffling question
41. Neckline style
42. Bring up the rear
43. Needles
44. Abreast (of)
46. Schuss, e.g.
47. Effort
49. Having several floors
51. Curly, Larry & Moe
54. "Go on ..."
55. Keats, for one
56. Heirloom location, often
59. Dour
63. Driver's lic. and others
64. Don't stress
66. Colorful pond denizen
67. Center of a ball
68. Fix firmly
69. Superlative suffix
70. Beat badly
71. Grind, as teeth