@misc{Ferguson_Henry_Gardiner(1882-1966)_Bulletin,
 author={Ferguson, Henry Gardiner(1882-1966)},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 640-J. Placer deposits of the Manhatan district, Nevada},
 keywords={geology, mineralogy, United States of America, journals},
}