1. River in Spain
5. More than bad
10. A cooperative unit
14. Smooth-talking
15. Saltwater
16. Scarce
17. Weather instruments carried aloft
19. Long, long time
20. Unit of energy
21. Thick
22. Notions
23. Abounding
25. Formula 1 driver
27. Not in
28. Corrupted
31. Light refractor
34. Above the horizon
35. Greek letter
36. Charged particles
37. Example
38. Russian emperor
39. Thick flat pad
40. Enclosed
41. Flavor
42. Supposed
44. Prohibit
45. Grain stubble
46. Moodily
50. Nickel or steel
52. Cognizant
54. Pool stick
55. Rewrite
56. Data
58. List of choices
59. Spooky
60. We are (contraction)
61. Anagram of "Nose"
62. Vogue
63. Minerals
2. Din
3. Chain of hills
4. Sash
5. Missing
6. Incorrect
7. Flippers
8. Underutilized
9. Downwind
10. Dealer
11. Avidness
12. District
13. Clutter
22. Computer symbol
24. Tiny leafy-stemmed flowerless plants
26. Cain's brother
28. Allied
29. French for "State"
30. Challenge
31. Panderer
32. Big laugh
33. Bowel
34. Scented splash
37. Mother
38. Armored combat vehicle
41. Fables
43. Prestige
44. Interred
46. Lustrous fabric
47. More aloof
48. Ill-gotten gains
49. Affirmatives
50. Office message
51. Biblical garden
53. Pottery
56. Band performance
57. One plus one