SPOILER ALERT!
Answer key above in gallery

Across

1.      Attraction with slides, pools and fountains (2 wds)
7.      What an elm might provide
12.    Honolulu state (abbr)
13.    Government issue, shortened
14.    Radium symbol
16.    Type of tuna
17.    Particular stay
19.    Life jacket style
22.    Tic follower
25.    Short for electrical engineer
26.    Easy; ____ of cake
27.    Air quality control initials
28.    Wanderer or dog’s name
31.    Concord state (abbr)
33.    Symbol for iridium
34.    Place where the baby is formed
36.    Between sol and ti
37.    Negative response
38.    Em follower
39.    Wheel-propelled vessel
40.    Cooling treat: ___ - Cone
41.    Small cluster of feathers
43.    Word before system
44.    Stolen bases, shortened
46.    It’s got that certain SPF
49.    Steak preparation choice
51.    Tantalum symbol
52.    Lemon meringue, for one
53.    Scholastic web ending
54.    Symbol for neon
56.    More brown
58.    Citizen’s Band, for short
60.    Rugrats
62.    Prefix meaning within
63.    Assistant
64.    Certain type of summer camp
67.    Atlanta state (abbr)
68.    Common air gun (abbr)
69.    Takes to the trails
71.    Beach construction
77.    Lean to one side
78.    Canoe-like boat and palindrone
79.    Observes
80.    Extraterrestrial, shortened
81.    Certain solo
82.    Be eagerly desirous, especially for something great

Down

1.      Rapids rafting
2.      Artificial intelligence, shortened
3.      Of the self
4.      Colorado or Ohio, for two
5.      The A in ETA
6.      Hurried
8.      Headwear
9.      I see...
10.    Entering head first
11.    It can be a lazy one
15.    Years on earth
18.    Natural dye
20.    Short for errors expected
21.    Botany is one
23.    Army Post Office, shortened
24.    Place to make S’mores
29.    Far from youngest
30.    Barbecue seasoning
32.    Scorching
35.    Baseball need
40.    It’s believing
42.    Salty place to swim
45.    Knapsack
46.    Summery frock
47.    Short for notary public
48.    Scoped-out area
50.    Cliff; mountain’s ____
55.    Evaluation (abbr)
57.    _______ marshmallows are an ingredient in s’mores
58.    Tent-like bathhouse
59.    Shirt protector
61.    Common link between Rio and ionized
65.    Discounts and the like
66.    Lemonade size, perhaps
67.    Something for the hair
70.    Tailed flyer on a string
71.    Glide through the water
72.    Car gp.
73.    Bronx state (abbr)
74.    It’s a beautiful ___!
75.    Preferably iced
76.    Sixth sense initials

— A Custom Crossword by Gail Beckman
702-869-6416, customcrosswords.com