1. Antarctic sea
5. Hoover Dam's lake
9. Skewered entree (var.)
14. Crude group?
15. Advocate
16. Accustom
17. Poi tuber
18. Den denizen, e.g.
19. Holes in the head?
20. Provocative
23. Meadow mom, for one
24. Scale note & homonym for 23A
25. Most irritated
27. Like some medicinal doses
33. Type of loser?
34. Astound
35. Seedy joints
37. Tricky pool shot
40. Reddish-brown gem
42. Problematical
44. Fine & dandy
45. Abnormally active
47. Library device
49. Kind of pie
50. Ballet move
52. Slender stogie
54. Everest experts
57. 007's doctor foe
58. Formal wear, informally
59. Excessive, i.e.
66. Protein acid
68. Western wolf
69. Drudgery
70. Dead duck, e.g.
71. Ore find
72. Anagram for one's rear
73. Cereal killer
74. Current event?
75. Breathing problem