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ERRATA FOR PNE-3005On pege 155 the first footnote should read: * Charges ahove 2 MT have been extrapolated from the published AEC charges (see Section 3 of this report).On page 156 line 7 should read:KT to 50 MT (larger than the 15 MT yield of maximum permissible ex- Since the Plowshare Program was established in 1957 to investigate and develop peaceful uses for nuclear explosives, a large number and"variety of applications have been suggested. As a result of the Plowshare research effort, many suggestions have been discarded for technical reasons while others have been more clearly identified as long-range possibilities requiring still more data and further development. Other ideas have now been sufficiently developed and offer enough promise to warrant the type of pilotscale or prototype experiment needed to obtain precise information in an industrial framework.By the time such an experiment is seriously considered and proposed, there is a need for some general economic appraisal of the potential value of the application. In the course of research some economic information is usually generated; however, for the most part, the AEC has relied primarily on government agencies responsible for resource development and on industry for information and general economic evaluations. As a result, this information and analysis is scattered throughout different reports, and appraisals have often been made on different bases and with different assumptions and resource information. Since a number of these applications are now approaching a commercial technology level, it seems timely and desirable to make some effort to collect this information, put it on as consistent a basis as possible, pla...