Show development OF RADIUM BEARING ORES in the article appearing in the last issue of the mining review a reprint of the paper read by me before the utah society of engineers on the development of our radium bearing ores the second paragraph second column on page 15 should have read in 1910 the general vanadium company a subsidiary of the international vanadium company of liverpool and the standard chemical company of pittsburg started mining the ores of colorado and the former shipped the ore abroad where radium as well as uranium and vanadium was extracted from the ore As the matter appeared in the issue in question the inference was that the standard chemical company also shipped its ore abroad As a matter of fact all the ore mined in the paradox valley by the lat r company was shipped to its works at aronsburg near pittsburg where expert ments were carried on resulting in the erection of a plant for extracting radium bich fact is referred to elsewhere in the article F this correction is a matter of some importance or talice at the present time in view of the e governments activities on the radium nu Ue estion stion and the fact should be clearly emphasized pha sized that neither of the companies at resent present engaged in manufacture of rad radium iam in this country have shipped any of their ore re abroad and are therefore entitled to some ome protection in carrying out their busness business ess operations in this country L 0 HOWARD |