ar This is always the possibility that you can't avoid You have got to consider it as a possibility. rather unlikely. I think The great difference between the Ivy the Tumbler-Snapper shot, using the sane methods for co and so on, and the fact that most of the conditions of shot, the fact that the cloud went so high and se on, world tend te produce this longer duration of the material. The fast that Mr. cisenbud is still getting it, indicates that this isn't in the wrong ball park, but you never can be ably tely sure that you haven't alaszed the hot spot. SETH: Eisenbud's present findings, of course, show that there lot ef activities, still up, whether that is higher than [90% or 10% they don't tell you. HILL: And I don't know whether you would ever be able te @noagh to find out in a practical way. densely How do you feel that, Merrill? ETSENBUDs Well, if you could hold up Castle for about two years "get the ansver, but really I think that the prospects of coming on early next spring or late in the winter. It could [astle not gcing to be possible RILL: Well, one thing is clears the large areas of the ocean it is rather impractical unless you park a ship out there! and let 4% coast around and use it for a fallout station to 10¢