SURVEYS OF FALLOUT SHELTER. A COMPARISON BETWEEN AERIAL PHOTOGRAPHIC AND DOCUMENTARY METHODS
CALIFORNIA UNIV BERKELEY INST OF ENGINEERING RESEARCH
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In 1959 a large part of Contra Costa County, California was surveyed for fallout shelter areas. This survey was based on an examination of the tax assessors records of existing buildings. A portion of this area was also surveyed independently by a method based on aerial photography. A statistical comparison of the results of these two surveys indicates that the aerial photographic method was more efficient than the documentary method in locating potential shelter space in buildings of heavy construction. This result, however, is probably not operationally significant. There is reason to believe that a combination of these two survey methods could be devised which would be operationally preferable to either method.
- Structural Engineering and Building Technology
- Civil Defense