@misc{Martin_George_Curtis_(1875-1943)_Bulletin,
 author={Martin, George Curtis (1875-1943)},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={journal},
 title={Bulletin 664. The Nenana Coal Field, Alaska},
 keywords={geology, mineralogy, journals, United States of America},
}