Extracts from a "Partial Log of September 61 Operation" prepared by R. Newman These few pages from a J-6 log are in Bob Campbell's possession and he allowed me to read them and take some notes from them. As the notes do, I will go through the items by day beginning with the first of September. Y September OL:: The previous day instructions were received to start towards @ test on 14 September followed by a test on 12 October, in 500 foot and 800 foot holes respectively. This day included meetings with Zia and J Division personnel to get the drawings and work underway for the October 12th shot as well as a meeting with Ogle JN which established the first shot depth at 300 feet to the top of the Alpha can and established the radio chemistry criteria as well as other specific details of the shot. Bradshaw got to work in Area 3 preparing the three- three hundred building for occupancy, which perturbed H@rtford greatly. reported very little cabling and no connectors at the site. He also Les Hawkins is investigating the funding for this work and Fromen has put a $150,0 00at; on Zia work orders. Some canister work got underway. Here is a secret message datedSeptember 61 from Betts to the Laboratories and Yperations Offices which give the known information on the Russian resumption of testing as follows: atomosphere "“ An explosion has been detected ‘as ‘having occurred in the at 0700 Z (3:80 A.M.E.D.T.), 1 September 61. The best location is in the vicinity of the semipalatinsk proving grounds at 50° north, 78° east. have been reported by three accoustic stations. Signals No seismic and no electromagnetic signals have been px reported at this time(1430 hours E.D.T.). Nuclear confirmation cannot be expected prior to 4 September 61." Preliminary reports on virtually all of the Soviet tests are contained in various messages . throughout this folder. JI