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IC Form-No. 10-513 (Rev 1 Aug 46) WF-L-25 NOV 47 100M q@ A ject @ DECLASSIFIED j NND 90986 HEADQUARTERS “ AIR MATERIEL COMMAND MCLAXD-3/FWA/aw COMMUNICATION. AND EN Wright-Patterson AF Base VELOPE TO COMMANDING GENERAL, ALR MATERIEL ‘WOES EIERACRA YELM ZORS. FOUOWING Orrick ‘sYmBoL: 9 September 1948 MCLANO=3 Director Federal Burema of Investigation Department of Justice Washington, D, C. ATIN: FBI Laboratory SUBJECT: Project "SIGN" Gentlemen: Accompanying this letter is a small sample of soil. This soil-wes teken from a depression reputed to have been caused by a"flying saucer" described as being approximately two feet in diameter and one foot thick which supposedly settled gently to the ground, rebounded to a height of about twenty feet and then contimed on its journey. Although the declivity was immedi- ately covered by a large washtub a heavy rain subsequently filled / the depression about one/third full of water before any sample of dirt could be taken, In an effort to approach this incident objectively to deter- mine every possible clue, it has been deemed advisable to have this soil sample analyzed and tested. Upon inquiry, your Dayton representative stated that the FBI Laboratory would accomplish the required tests. a | y Tired testes RODS 7 2 TIS -(hO It is the desire of this He: ters_to-aseertain, in parti- cular, if there are traces of unusual blement® or Alloys adhering to the surface of the particles, omht Sy IdbnbMiality in structure exists showing that the soil was subjected tg intense heat, gases or radio-active substances, etc. Unfor' » in this regard, no one thought to forwerd a sample o: “surrounding the de~ pression so no comparison of soils can be made at this time. Should the subsequent test show anything unusual some arrangement could be made to procure some of the surrounding soil so that a comparative analysis could be made. The accompanying sample has not been test- ed by any other agency, nor will it be. COPIES DESTROYE 270 NOV18