Smithsonian Report, I960 — Dillon 



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Ala^ncti/.ation sli'uclurf ai-ouiid a scialch in a hadl\' sliaiiu'd yitiimii iioii ^arnci ciyslal. 

 Note llic wa\ in which tlic stnicUirc near one surface is out (>[ ret^isler vvilli iliat on the 

 other. 



