O A T E T111.: GQ.Jl.JJ) lEJ'lGTH 0~ :aszRVATION BRI:!F $UMMA~Y 0~ SICiiTING PROJECT 10073 RECORD CARD CONCLUSIONS Was B alloon Probably B alloon P o , si bl y Bol l oon TYPE OF 0 3S!RVATIOH Was Air c raft l Gr~und-Vi a u af 0 Ground-Radar P rob obi y Ai r eroh 0 A i r-Visual 0 A ir-lntorept Rodor Po a si bl y A; reroh Was A s tronom i cal r::.-Jor Prohobf y A stronomical NUMBER 01' 0:3JECTS Po~sibly A:stronomicol lnsuffic:icnt Data for E valuation met o r sl.z.hting. UJVIJ"ERSITY of PEJYJYSYL VANIA Pf11TJ \UELPHI.\ -~ Flow<1r and Cook 0 ber.;alm y EzA ut17~ Cf:~cer, Public Tn f 'o .~'"' t.lon Dea r Sir: fo -rm?.r h r'.VA ~"'Om~ !"t1TtQ ~":H fi reb:-tll s ::o u lcl. c:~r rt)!)Orts :,ou c: n n rouP.r-:!.c- r1111. \DH Pitt\ t Flower and Cuuh Ol.J.,t.:n.'alory