1: Pumice source

5: Cottonseed source

9: Pester for payment

12: Whom the yoke's on?

13: Curved moldings

15: Trig ratio

16: Temperature measure

18: Make a sweater, perhaps

19: Like any number finishing with '9'

20: Like one end of a pool

21: Treasure keepers

23: Piano's 88

24: Hearts or diamonds

25: 'Rolling' rockers

28: Prediction

32: Azure gemstone

33: Foal's father

34: Junior, usually

35: Multigenerational story

36: Reporting to

37: Fibula or femur

38: Color for the tickled

39: Some votes

40: Grandfather clock chimes

41: Tough trip-takers

43: Prods to action

44: 'Far out!'

45: Rock music genre

46: Leapt

49: Give notice

50: Scandinavian rug

53: Kind of acid

54: Stretching

57: Take a chance

58: 'Bolero' composer

59: Curly coif

60: Devon river

61: Proofreader's mark

62: '___ there, done that'

1: Plumb crazy

2: Fired

3: Sell

4: Aardvark's tidbit

5: No-nos for Tiger

6: Grimm goons

7: Entrechat or jeté

8: Ran in front

9: Clamors

10: Single thing

11: Takes home

14: Seat belt, e.g.

15: Artist's supply

17: Nice thoughts

22: Get going

23: Bit of bric-a-brac

24: Scrapes and scratches

25: Emulated Endymion

26: Snooty critter?

27: Have one's say

28: Bona ___ (good faith)

29: Almost eternity

30: Barely burn

31: Head lock

33: Pig noise

36: Loath

40: Slangy word of intention

42: Barbie's ex-beau

43: Contented baby's sound

45: Committee

46: 'Natch!'

47: ___ fixe (restaurant charging option)

48: Get ready to shine?

49: Zigzagged

50: Teeming (with)

51: Time past

52: In the near future

55: Male youth

56: Check