- 1 ETA
33A GPS datum
74571 - 2 EST
22A "Is," to Livy
55428 - 3 TSA
63D Org. that might have you put your belt on a belt
53189 - 4 IRE
40D Wrath
52498 - 5 OREO
5D Wheel on a school bus-themed cake, perhaps
45408 - 6 ECO
36A ___ mode (fuel efficiency option in some cars)
42370 - 7 ETC
10A Among other things: Abbr.
37268 - 8 STAR
68A High light?
31316 - 9 ACHE
9D Feel the pain
28282 - 10 UNIT
32D Watt or newton
28230 - 11 ATOM
34D A little bit of everything?
23266 - 12 EPIC
14A "Awesome!!!"
23235 - 13 RHO
26D Pi follower
23191 - 14 OED
52A For reference, it's over 21,000 pages, in brief
22141 - 15 ASIS
64A Disclaimer on a secondhand product
21183 - 16 PESO
65A Mexican money
20131 - 17 DRS
53D E.N.T.s, e.g.
20116 - 18 IPA
39D Hoppy bar choice, for short
2080 - 19 DIET
57D Media ___ (one's daily news consumption, so to speak)
1796 - 20 ABCS
59D Basics
16133 - 21 CON
41A Downside
15123 - 22 CDS
41D Media for old music players
14147 - 23 TESLA
27A Scientist played by David Bowie in 2006's "The Prestige"
14144 - 24 APR
7D The cruelest mo., per T.S. Eliot
13170 - 25 LEG
28D "Ahab's ___" (chapter in "Moby-Dick")
13126 - 26 CBS
12D "Face the Nation" airer
13123 - 27 ATEASE
2D Relaxed
13111 - 28 APPS
56D Galaxy downloads
1378 - 29 TUG
31D Pull (on)
1267 - 30 MOE
54A Antagonist in "Calvin and Hobbes"
11149 - 31 GALA
6A Extravagant type of fund-raiser
11115 - 32 AMORAL
48D Unconcerned with right and wrong
1064 - 33 CRATE
66A Slatted case
1052 - 34 YTD
67A C.P.A.'s column header, perhaps
960 - 35 TOR
43A Sci-fi publisher whose logo is a rocky peak
8115 - 36 REALM
47A Domain
854 - 37 MUG
17D Hot chocolate holder
843 - 38 AMPS
18A Theater boxes
7108 - 39 GUT
23A Go with one's ___
655 - 40 STRUT
51A Arrogant walk
647 - 41 WAY
61D Path
647 - 42 WEPT
61A Shed tears
643 - 43 KNOB
15A Drawer or door part
546 - 44 REREAD
55A Go over again
521 - 45 RUNE
35A Symbol in the Bluetooth logo, for one
472 - 46 SILOS
69A Missile chambers
443 - 47 YURI
60D Gagarin in space
431 - 48 KAPOW
15D Comic strip sound of impact
417 - 49 ATHLETE
29D One who might receive a letter at school
320 - 50 LICK
8D Get ready to seal, as an envelope
318 - 51 MOTOR
25A Go by car
238 - 52 HECK
4D Mild expletive
222 - 53 HURTS
45D Feels the pain
213 - 54 HECTOR
46D Browbeat
211 - 55 UTHER
13A ___ Pendragon, father of King Arthur
211 - 56 CHARTS
3D Many graphics in business presentations
26 - 57 CRAYONS
58A Kids' items that can come in packs of 8 and 168
25 - 58 KEEPIN
20A Contain
25 - 59 FOOTREST
37D Amenity attached to an airplane seat
23 - 60 PEACEMARCH
16A Nonviolent protest / A farewell to artist Chagall? / Nonviolent protest
23 - 61 MACHO
1A Manly
125 - 62 LOPS
42A Chops (off)
122 - 63 EMPEROR
21D One of 16 over the course of the Ming dynasty
114 - 64 GEARUP
6D Get equipped (for)
18 - 65 MESHES
50D Fits well (with)
17 - 66 TOPNOTCH
11D First-rate
16 - 67 DOTHEMATH
44A Figure it out / "Let's see that dance move where you lie flat by a door!" / Figure it out
14 - 68 ENMITIES
10D Feelings of animosity
14 - 69 INTREPID
38D Courageous
14 - 70 PITTSBURGH
62A City that had the final letter of its name removed in 1891, only to be restored in 1911
14 - 71 LONGTO
49D Wish that one could
13 - 72 MUPPET
1D Bert or Ernie
13 - 73 TURNSTO
24D Seeks help from
13 - 74 PARKOUR
19A Activity that turns an urban area into an obstacle course
12 - 75 PUTUPWITH
30A Endure / Display some humorous posters? / Endure
12 - 76 11