1: Desolate areas

6: Contend

9: After-school group

13: On the go

14: For ___ the marbles

15: Assumed appearance

16: Crystal-lined rock

17: Biathlon need

18: Equipped with M-16's

19: Outlay

21: Clothes, slangily

23: Helios, to the Romans

24: 'I can't ___ you!'

25: Not right

28: Identical

30: Whets the appetite

35: Determination

37: Low-quality diamond

39: Eagle's claw

40: Plumb crazy

41: Bend a bit

43: Antitoxins

44: The Golden Rule, for one

46: Over the ___

47: Give the ax to

48: What she sells by the sea shore

50: Abrupt bit of thunder

52: 'Friendly' pronoun

53: Goals

55: Biretta or beret

57: Not on the network

61: Figured out, as secret writing

65: Part of the small intestine

66: Scandinavian rug

68: Strong adhesive

69: Vegges out

70: Leg, to Legs Diamond

71: Coin of Nepal or Pakistan

72: Loud utterance

73: She may get sheared

74: Blueprints, briefly

1: Worker's reward

2: Alpine climber

3: Roller coaster feature

4: Chaps in the 'hood

5: Certain secretaries

6: Flower holder

7: Family

8: Ruling class

9: Make healthy again

10: Peru's capital

11: Secondhand

12: Where oysters grow

15: Small attic

20: Generous helpings

22: Ring toss item?

24: Battlefield bravery

25: Looks like a lecher

26: Effervesce

27: Archives unit

29: It may bite your shorts

31: Bulk

32: Fabric fold

33: Source of light

34: Winding

36: Slave away

38: Causeway fee

42: Proper niche

45: Makes allegations

49: Confession topic

51: Leaders of the pack

54: On-ramp sign

56: Infield fly

57: Like some garage floors

58: Slippery sheet

59: Hew

60: Peaceful period

61: Title for Edith Evans

62: Dummy

63: Firm head

64: Turns red, perhaps

67: Deviation at sea