April - June, 1960: One of the appendices is entitled, "Nuclear Construction of a Sea Level Canal," which discusses briefly the report made a year ago (February, 1959) which showed, "that significant savings could be realized if nuclear explosives were used in the construction of a new sea level canal instead of a more conventional excavation method" and the follow-up studies and activities by Sandia, Livermore, and others. on this proposal since then. July - September, 1960: Added to the specific weapon list, is the XW-58 which is now in Phase III. Author- ized in August, this is to be a warhead for the Polaris Mark II re-entry body. Here is the first mention of a specific Vela Uniform test, project Lollipop. Referring to the Berkner panel recommendations in 1959, one of the priority recommendations was to be a Jauclear detonation in granite which became Lollipop, "and is scheduled to be fired by the AEC at the NTS in mid-November, 1960. In addition to basic seismic research, there will also be participation by an inspection team which will study the problems involved in training inspectors to recognize the site of an underground nuclear event." Breifly described is the 36 inch diameter hole already dug for the device and another shaft 800 feet deep with tunnels going out from it to "accommodate a structures response program and free field measuring equipment." There is also plans for another very deep hole near the shaft for other instrumentation. The preliminary results of the Toboggan project are described. One of the appendices is entitled, gram." "The Advanced System for Weapons Test Pro- The description is of the ASWI systems described elsewhere. October - December, 1960: a3 At DMA's request in the area of specific weapons, the XW-56 program was cancelled