Kec come ; ee Oeet aed a NA ae i elteae mo, , ~~ a eeein CLE aoe ae See ee a. a eo. ee Sia 5 +e , - el See a ot ier Pam! i Pa iZEBRA_ DAY Primary hass with Zi¢-vay Stem, Nute how al-sely the loop in the lower part! compares with the itinerant showing the dimensions of the cloud at the ond of three hours, parce 4°. The cloud apperred and dust when this piito-raph wus made, H-Hr. to be entirely plus -70 - composed of gsupke 1 hr. Atemic:EnergyAch— 1946 os ye .