

Symposium on Microseisms 



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Held at Arden House 



Harriman, N. Y. 

 4-6 September 1952 



Sponsored by the Office of Naval Research, and the Geophysical 

 Research Directorate of the U. S. Air Force 



National Academy of Sciences, National Research Council 



Washington, D. C. 



December, 1953 



