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An Evaluation of the Shelter Potential in Mines, Caves and Tunnels
註釋This study examines the availability and the potential of using mine space (and to a lesser extent, cave and tunnel space) in future civil defense programs. It provides background information concerning previous research on this study, and makes new estimates of usable space and yearly space increases, based on a sample survey of a few mines. The possibilities and costs of developing new mine space and adapting mines to shelter use is also discussed. Information on caves and tunnels is also included. Three appendices (AD617112) are included with this report, containing detailed listing of mines and caves located by the National Fallout Shelter Survey, and detailed listings and locations of vehicular tunnels. This data is intended for possible use by those who might wish to undertake more specific studies of shelter potential in mines, caves, and tunnels.