@misc{Ross_Clyde_Polhemus_(1891-1965)_Bulletin,
 author={Ross, Clyde Polhemus (1891-1965)},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 821-A. A graphic history of metal mining in Idaho},
 keywords={geology, mineralogy, mining, United States of America, journals},
}