Across

1  Boxing tactics

 5  "Mrs." in Munich

 9  Very small amount

14  Margarine

15  Billions of years

16  Wounds

17  Affected manner

18  _____ Earth, '70s rock band

19  Cravat

20  Compass point

21  Street named for famous philosopher

23  1960s printing technology at Sahuaro School

25  Sign language used in the U.S. (Abbr.)

26  Alphabet

30  Wrote a paper for English class

33  Excitement

35  S.E. Asian mammal

37  Tool used by Gary Seven in Star Trek

38  McCartney album released 5-17-71

41  Vaporous

44  Mountain _____

45  Actor's remark intended for audience only

47  Heathen

49  Beginnings

52  With 27 Down, the northern boundary street

56  Boat's wind catcher

57  That girl

59  Hire

60  Dreamer

64  Metric weight unit

65  Draft beer adjective

68  Traveled by car

69  Challenge

70  The origin of this street name is obscure

71 KPHO’s “ _____ House” with Marge Condon

72  Competition at the Greek games

73  Eats a lot of salads, maybe

74  Boss!

75  Salamander

 1  With 11 down, the last street

built in Phase I

  2  Excuses

  3  Caps

  4  Popular brand of soap pad

  5  Card game popular in the Old West

  6  Concrete

  7  Important artery

  8  Disquiet

  9  Despot

10  Cheerful or bright

11  See 1 Down

12  Company bigwig

13  Time zone (abbr.)

21  Journeys

22  Sick

24  Make lace

27  See 52 Across

28  Inlet

29  Very rare sight on Joan De Arc Avenue

31  Government agency

32  Insult (slang)

34  Assail

36  Political party (abbr.)

38  Torn up material

39  Upon the waves

40  Popular skirt style in the late 1960s

42  _____ Flakes

43  Yuck!

46  Mark boundaries

48  Compass point

50  Suffix denoting language

51  Street named for a female person

53  Break

54  Safe keeping

55  Sovereign's proxy

58  Flee and marry

61  Colors

62  Notion

63  Mailed

65  Given food

66  Defunct Playboy competitor

67  Grow older

69  Sprout singer Ozment