@misc{Richards_Ralph_Webster_(1879-?)_Bulletin,
 author={Richards, Ralph Webster (1879-?) and Waring, Gerald Ashley (1883-?)},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 849-A. Progress of surveys in the Anthracite Ridge District, Alaska},
 keywords={geology, mineralogy, journals, United States of America},
}