- 1 TRI
19A Certain grueling race, informally
41237 - 2 ETC
42D List follower
37268 - 3 ELM
61A Bow-making timber
30240 - 4 TOE
16A Word before nail or after steel
29293 - 5 EURO
60A Bank note made of pure cotton fiber
22221 - 6 ACTS
14A Book before Romans
21214 - 7 USES
30D Applications
19193 - 8 TRE
33A Quattro preceder
15180 - 9 ICU
2D Hosp. area
15128 - 10 RIA
52A Coastal inlet
14128 - 11 TAS
39A Prof's helpers
1399 - 12 RSVP
63A One may ask for a dinner preference
1385 - 13 POR
23D "___ favor"
1370 - 14 SFO
54D West Coast airport code
1366 - 15 ARIAL
45D Common typeface
1349 - 16 IRAS
8D Some investments, in brief
11129 - 17 VISA
1A Travel requirement, at times
1160 - 18 RESET
20A Factory ___
10109 - 19 SOP
57D Soak (up)
10105 - 20 IPOS
32D Some W.S.J. topics
1051 - 21 GAL
58A Jug unit: Abbr.
9124 - 22 PHIL
38A Father on "Modern Family"
966 - 23 REALM
46D Ruler's dimensions?
854 - 24 IRISES
43A Van Gogh masterpiece
841 - 25 VAT
1D Acid container, maybe
7101 - 26 ELISE
35D Beethoven's "Für ___"
775 - 27 SMUT
21D Blue material
682 - 28 IBSEN
32A "A Doll's House" playwright
655 - 29 TROU
41D Pants, but half off?
636 - 30 LICIT
31A Not forbidden
625 - 31 DEAF
50D Like Beethoven, by his mid-40s
546 - 32 SPIES
37A Secret traders
524 - 33 SEISM
13D Something possibly triggered during a mass extinction event
523 - 34 HORNS
12D Features of many ceratopsians
520 - 35 OHS
11A Sounds of surprise
471 - 36 KRIS
55A Letters that go in both blanks of ___ ___tofferson
456 - 37 ADESTE
53A "___ Fideles"
455 - 38 ISUZU
51A Japanese exporter of diesel engines
430 - 39 NITER
48D Crystalline mineral deposits in some caves
417 - 40 MARTYR
44A One dying for a cause
413 - 41 TREVI
41A Roman fountain name
336 - 42 MERGE
44D Come together
333 - 43 SCOTS
40A Mary, Queen of ___
328 - 44 INSERT
43D Newspaper supplement
327 - 45 TUFT
17A Cluster, as of grass
316 - 46 BASALT
18A Product of volcanic activity
314 - 47 FEATS
6D Guinness records, typically
313 - 48 ALBEIT
5D Notwithstanding
312 - 49 ASTEROID
4D What had a major impact on this puzzle's theme?
310 - 50 APLIT
24D Accelerated H.S. English course
35 - 51 RIVET
34D It helps keep a tight ship tight
237 - 52 AUGER
29A Boring bit
219 - 53 OTTOI
11D "Great" 10th-century emperor
215 - 54 IKID
36A "Joking!"
214 - 55 LOAFER
59A Comfy shoe
214 - 56 EGOISM
27A It's a me problem
212 - 57 RBS
7D Some handoff recipients in football, for short
212 - 58 SLIPONS
22A Moccasins, but not oxfords
25 - 59 ECASH
42A Digital money
122 - 60 IRV
56D Music producer Gotti who worked with Ja Rule and J.Lo
120 - 61 AFRICA
5A Where the 10 countries with the lowest median age are all located
118 - 62 ERECTED
49A Put up
115 - 63 EFFORT
62A "Enthusiasm is the mother of ___": Ralph Waldo Emerson
114 - 64 ANNOTATE
47A Leave a mark on?
111 - 65 PANOUT
28A End up OK
111 - 66 TABITHA
26D Novelist King who wrote "Caretakers" and "One on One"
19 - 67 ALARMIST
24A Voice of doom
18 - 68 ANTIGEN
10D Immune response trigger
18 - 69 LEBRON
15A "King James"
17 - 70 LAIKA
25D First dog on an orbital spaceflight
15 - 71 COLLEGES
9D Boston, Amherst and others
13 - 72 THESAURUS
33D Writer's reference … or what each row of shaded letters is missing?
13 - 73 SCAREDOF
37D Spooked by
12 - 74 11
- 75 11
- 76 11