This collection of patches comes from Bruce Colburn and covers approximately 106 years of service between his father, Dann H Colburn, who started in 1946, his godfather, Bruce S. Gullion, who started in 1953, and Bruce who started seasonally in 1974 and year round in 1979.
Starting with the top left:
1. Smokey
Patch
2. Current
DCR
3. Original
DEM patch after changing from Department of Natural Resources
4. 
5. Original
Department of Natural Resources after changing from Department of Conservation. 
6. DEM
Fire Control
7. Smokey
Patch
8. Park
Ranger patch issued prior to Ranger Division being formed. 
9. Original
Department of Conservation Parks prior to Department of Natural Resources. 
10. 
11. This is
the second style DCR shoulder patch. The first was so big it was difficult to
sew on to a shirt sleeve. 
12. This was
worn on green sport jackets issued to management. 
13. Smokey
Patch
14. Smokey
Patch
15. Old Law
Enforcement Patch
16. DEM Ranger
Patch
17. 60 year
anniversary Smokey patch. 
18. 1964 
19. Updated
style of Department of Natural Resources to go with #10
20. Second
Version of DEM
21. 100 Year
Anniversary / I think this design represents the entire agency the best and suggested the Logo to be adopted for DCR. 
22. The last
DEM patch. Note (they did up to 5
different shades of this). 
23. Civilian Conservation Corps button.