@misc{Barnett_V._H._Bulletin,
 author={Barnett, V. H.},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 641-H. Geology of the Hound Creek district of the Great Falls Coal Field Cascade County, Montana},
 keywords={geology, mineralogy, United States of America, journals},
}