@misc{Shenon_Philip_John_(1897-1966)_Bulletin,
 author={Shenon, Philip John (1897-1966) and Wells, Francis Gerritt (1898-1969)},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 830-B. Geology of the Robertson, Humdinger, and Robert E. Gold mines, southwestern Oregon},
 keywords={geology, mineralogy, mining, United States of America, journals},
}