Across

1 Animal with a shaggy mane

4 Shake, like aspen trees

8 Wyoming national park

9 Girl relation

10 Small forest

12 "Great blue" bird

13 Hold the title to

17 All the plant life in a region

19 Fuss

22 Work out future actions

23 Man, for one

25 The tallest trees in the world

29 Granola grain

30 Uninhabited area left in its original state

32 60 mins., abbr.

33 D.D.S.'s group

35 Virgin drink

36 Arborist's concern

Down

1 Chesapeake, for example

2 Sockeye fish

3 Small recess

4 Sample

5 The interlinked environment

6 Vital pollinators

7 Bugling beasts

10 Naval rank, abbr.

11 Be indebted to

14 Turn over earth

15 Eclipse phenomenon

16 Preserve for future generations

18 The wonder the wild can bring about

20 Father

21 Native American dwelling

22 Kitchen utensils

24 Purple flower with a strong scent

26 Forest female

27 Dry riverbed

28 Backpacker's quarters

31 Phrase of commitment, 2 words

34 Crater Lake National Park's state, abbr.