@misc{Schrader_Frank_Charles_(1860-1944)_Bulletin,
 author={Schrader, Frank Charles (1860-1944)},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 847-A. The contact mining district, Nevada},
 keywords={geology, mineralogy, mining, journals, United States of America},
}