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<ul><li><b>Scope and content:</b>  This chart, Appendix I to Project Blue Book Status Report No. 8, shows the frequency of unidentified flying object (UFO) reports during the months of June, July, August, and September 1952.</li></ul></div>
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Unknown author<span style="display: none;">Unknown author</span> or not provided</div>
31 December 1952<div style="display: none;">date QS:P571,+1952-12-31T00:00:00Z/11</div>
<a href="https://en.wikipedia.org/wiki/U.S._National_Archives_and_Records_Administration" class="extiw" title="en:U.S. National Archives and Records Administration">U.S. National Archives and Records Administration</a>