@misc{Woolsey_Lester_Hood_(1877-1961)_Bulletin,
 author={Woolsey, Lester Hood (1877-1961) and Richards, Ralph Webster (1879-?) and Lupton, Charles Thomas (1878-1935)},
 copyright={Biblioteka Politechniki Gdańskiej},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={czasopismo},
 title={Bulletin 647. The Bull Mountain coal field : Musselshell and Yellowstone Counties, Montana},
 keywords={geologia, mineralogia, czasopisma, Stany Zjednoczone, Montana (Stany Zjednoczone ; stan)},
}