Mortality after long exposure to cummingtonite-grunerite.

  title={Mortality after long exposure to cummingtonite-grunerite.},
  author={J Corbett McDonald and Graham W. Gibbs and F D K Liddell and A. David McDonald},
  journal={The American review of respiratory disease},
  volume={118 2},
Ore containing cummingtonite-grunerite has been mined to extract gold since 1876 in Lead, South Dakota. Each of the 1,321 men who were recorded as having worked 21 years or more with the Homestake Mine was allocated to one of 5 dust-exposure categories on the basis of work history and available information on environmental conditions. All except 9 men were traced to the end of 1973, when 652 were still living; the cause of death was ascertained for 657 of the 660 men who had died. Deaths from… CONTINUE READING