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“S. B. Heckler”

Stories2

The St. Louis and Alton Giant Bird Flap (Thunderbird Sightings), 1948
April 1948 · Alton, Illinois, and greater St. Louis, Missouri, with a separate cluster around Caledonia and Freeport, northern Illinois
United States
Cryptid · Creature · 14 sources
28Thinly documented
The Illinois and Missouri Giant Bird Wave of 1948
April 1948 · Alton, Belvidere, Caledonia and Freeport, Illinois, and the St. Louis area, Missouri
United States
Cryptid · Creature · 17 sources
33Partially documented

Documents2

  • FBI file: UFO, UFO Part 06 FOIA release
    Federal Bureau of Investigation· 129 pages· 1 page mentions it
    • p. 22 …around the HECKLERS in the circles (B) and (C) so that his partner in the Receiver's circle (D) can…
  • USSR: Measures of Economic Growth and Development, 1950-80 FOIA release
    Central Intelligence Agency· 1982-12-08· 399 pages

    …See Douglas B. Diamond and W. Lee Davis, “Comparative Growth in Output and Productivity in U.S. and…