Across 1. Styx ferryman 7. Ring org. 10. Snickers producer 14. Naturally occurring chipped stone 15. Corn unit 16. Yours, in Yves 17. Linguini locale 19. Marvin Gaye's "Let's Get ___" 20. Anka's "___ Beso" 21. You are here 22. Disney dog 23. Some race-car decals 25. Watering hole 27. Silky synthetic 30. Finds another purpose for 34. Nickname for Mozart's last symphony 37. Poseidon, to Romans 38. First mate 39. ___ kwon do 40. Words with dare or mission 41. Superman's nemesis Luthor 42. Tern or erne, e.g. 44. Barometer filler 46. General Motors division 47. Solution strength 48. Mended, as a garment 50. Lawless part 54. First name among tennis stars 57. Josh 60. Prefix with content 61. The Bard's river 62. Bungled 64. Advance 65. Shipper's bill, briefly 66. River of central Italy, to locals 67. Race in "The Time Machine" 68. When doubled, a tropical menace 69. Father of the Titans

Down 1. Demeter's counterpart 2. Raise 3. Journalist Stewart 4. Slowing, in music, briefly 5. Plains native 6. Drag racing org. 7. Entered 8. Soaking spots 9. Common verb 10. Form letter, e.g. 11. Aleutian Island 12. Tooth part 13. ___-Japanese War 18. Tree-lined 22. Whip up 24. Hindu honorific 26. "La Mer" singer 28. Clothes one, as for an occasion 29. Longs (for) 31. "Star Trek" crewman 32. Cabinet dept. 33. Alluring 34. Boxing champ Willard 35. Part of the eye 36. Bog fuel 37. Trifling 43. Country bordering Rwanda 45. '80s-'90s Honda sports car 47. Number of planets, perhaps? 49. Some collar types 51. Seaport in northwest Germany 52. Pacific republic 53. View from Chamonix, to locals 54. Low tract 55. Daredevil Knievel 56. Taboo 58. In ___ (as found) 59. Phys. activity 62. Took the bait 63. One of the Gabors

Solution