[Skip to Content]
[Skip to Content Landing]
April 17, 1920


Author Affiliations

Washington, D. C.

Chief Chemist, U. S. Bureau of Mines.

JAMA. 1920;74(16):1115-1116. doi:10.1001/jama.1920.02620160055022

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.


To the Editor:  —Late in the year 1912 the Bureau of Mines undertook an investigation of the radium-bearing ores situated in Colorado and Utah. This investigation resulted in the publication in 1913 of a bulletin of the Bureau of Mines entitled "A Preliminary Report on Uranium, Radium and Vanadium," by Richard B. Moore and Karl L. Kithil. Up to the time this bulletin was published, the larger proportion of the ore mined had been shipped abroad, mainly to England, France and Germany, where the uranium, vanadium and radium were extracted. One company, however, in this country was greatly interested in the extraction of radium from carnotite, and at the time of publication of this bulletin had made a good start toward the desired end.Very few people, however, in the United States knew anything concerning these deposits, and a still fewer number had any definite idea that they might be

First Page Preview View Large
First page PDF preview
First page PDF preview