@misc{McKnight_Edwin_Thor_(1902-1992)_Bulletin,
 author={McKnight, Edwin Thor (1902-1992)},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 853. Zinc and lead deposits of northern Arkansas},
 keywords={geology, mineralogy, journals, United States of America},
}