U.S. AIR FORCE BLUE BOOK OFFICIAL "UNKNOWN" CASES
(Local Minnesota and surrounding areas)
Case# Date(s) Location
***************************************************
91 October 1947 Dodgeville, Wisconsin
650 March 3, 1950 Selfridge AFB, Michigan
989 October 11, 1951 Minneapolis, Minnesota
1013 December 24,1951 Mankato, Minnesota
1113 April 14, 1952 La Crosse, Wisconsin
1160 April 27, 1952 Roseville, Michigan
1227 May 25, 1952 Walnut Lake, Michigan
1243 June 1, 1952 Rapid City, South Dakota
June 9, 1952 Minneapolis, Minnesota (Case missing)
1302 June 18, 1952 Columbus, Wisconsin
1305 June 18, 1952 Pontiac, Michigan
1361 June 28, 1952 Lake Kishkonoug, Wisconsin
1380 July 3, 1952 Selfridge AFB, Michigan
1479 July 17, 1952 Rapid City, South Dakota
1492 July 19, 1952 Williston, North Dakota
1680 July 27, 1952 Selfridge AFB, Michigan
1731 July 29, 1952 Osceola, Wisconsin
1843 August 6, 1952 Belleville, Michigan
1845 August 6, 1952 Fort Austin, Michigan
2089 September 14, 1952 White Lake, South Dakota
2267 December 9, 1952 Madison, Wisconsin
2419 February 17, 1953 Port Austin, Michigan
2526 March 29, 1953 Spooner, Wisconsin
3029 June 1, 1954 Minneapolis, Minnesota
5999 August 17, 1958 Warren, Michigan
6153 November 3, 1958 Minot, North Dakota
6506 September 13, 1959 Gills Rock, Wisconsin
6667 March 4, 1960 Dubuque, Iowa
7284 February 27, 1961 Bark River, Michigan
7491 July 7, 1961 Copemiah, Michigan
7742 November 23, 1961 Sioux City, Iowa
8729 April 3, 1964 Monticello, Wisconsin
8924 July 16, 1964 15 mi s of Houghton Lake, Michigan
8942 July 20, 1964 Clinton, Iowa--Littleton, Illinois
9170 November 14, 1964 Menomonee Falls, Wisconsin
9389 May 7, 1965 Oxford, Michigan
9474 July 6, 1965 Kiel, Wisconsin
9970 September 25, 1965 Chisholm, Minnesota
10626 June 6, 1966 Spooner, Wisconsin
10872 August 19, 1966 Donnybrook, North Dakota
10944 September 13, 1966 Gwinner, North Dakota
10996 October 5, 1966 Osceola, Wisconsin
11135 November 8, 1966 Saginaw, Minnesota
11355 February 12, 1967 Grand Rapids, Michigan
11383 February 16, 1967 Stoughton, Wisconsin
11394 February 20, 1967 Oxford, Wisconsin
11419 February 27, 1967 Grand Haven, Michigan
11454 March 6, 1967 Bentor Harbor, Michigan
11480 March 9, 1967 Onawa, lowa
11541 March 22, 1967 Wapello, Iowa
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