@misc{Hunt_Charles_Butler_(1906-1997)_Bulletin,
 author={Hunt, Charles Butler (1906-1997) and Briggs, Guy H. and Munyan, Arthur C. (1908- )},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 876. Coal deposits of Pike county, Kentucky},
 keywords={geology, mineralogy, coal, journals, United States of America},
}