UFO sightings in Wyoming: Air Force files

1. July 1949Yellowstone National Park first page
2. March 1953Casper first page
3. July 1953Sheridan first page
4. December 1953Rock Springs first page
5. March 1954Cherokee and Sinclair first page
6. May 1955Cheyenne first page
7. October 1955Cheyenne first page
8. June 1956Laramie first page
9. August 1956Bitter Creek first page
10. August 1956Cheyenne first page
11. July 1957Cheyenne first page
12. October 1957Thermopolis first page
13. October 1957Thermopolis first page
14. December 1957Bill first page
15. December 1957Laramie first page
16. December 1957Tensleep first page
17. May 1958Vicinity Cheyenne first page
18. August 195826-30 Mi N Of Rock Springs first page
19. August 1958Rock Springs & Rawlins first page
20. September 1958Thermopolis first page
21. October 1958Green River Lakes Area first page
22. October 1960Worland first page
23. February 1961FT. Washakie first page
24. April 1961Sheridan first page
25. August 1962Casper first page
26. October 1962Cora first page
27. April 1963Moorcroft first page
28. September 1963Cody first page
29. August 1965Cheyenne first page
30. August 1965FE Warren AFB first page
31. September 1965Cheyenne first page
32. May 1966Cheyenne first page
33. July 1966Casper first page
34. February 1967Worland first page
35. March 1967Cheyenne first page
36. April 1967Rawlins first page

Links open the original folder at the US National Archives.