Show OWNERS OF Or- TWO-THIRDS TWO OF RADIUM PRESENT SAN FRANCISCO J June ne 26 The The owners of two-thirds two of or all of the radium In the United States are In attendance at the seventy-fourth seventy annual convention of the American Medical association now In session here hore according to an official announcement an announcement announcement an- an today The nations nation's supply Is estimated at grams having a value of The radium owners are Included in the American Radium society They announced that rich deposits of ot radium had been found In the African Congo It Is necessary however even In these deposits to work over parts of ot ore are b before before be be- fore tore one part of radium can be extracted The mines In Colorado that formerly formerly formerly for for- merly produced radium have been closed l i it was said C |