@misc{Vanderwilt_John_W._(1898-1992)_Bulletin,
 author={Vanderwilt, John W. (1898-1992)},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 884. Geology and mineral deposits of the Snowmass Mountain area Gunnison county, Colorado},
 keywords={geology, mineralogy, journals, United States of America},
}