Answers

[LongLine]

Well, here's the answers so far: 

 

Safeguarding the Lake:
Research
Laboratory
Monitoring
Depths
Surveys
Plankton
 Lake Guardian

 

Fishing related
Across        Down
1.  Hook         2. Treble
2.  Troll           4. Limit
3.  License      5. Holder
7.  Dock          6. Sinker
10. Release     8. Box
12. Ring          9. Stringer
15. Flasher     11. Cast
16. Rod          12. Rigger
17. Dodger    13. Swivel
18. Dipsey     14. Line
19. Sonar      21. Paddle
20. Shore

 

Know where the fish come from?
Vanhornsville
Randolf
Catskill
Rome
Oneida
 Salmon River
 

More puzzles to come