@misc{Hewett_Donnell_Foster_(1881-?)_Bulletin,
 author={Hewett, Donnell Foster (1881-?) and Katz, Frank James(1883-1930) and Stose, George Willis (1869-1960) and Miser, Hugh Dinsmore (1884-1969)},
 copyright={Biblioteka Politechniki Gdańskiej},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 type={czasopismo},
 title={Bulletin 660-J. Possibilities for manganese ore on certain undeveloped tracts in Shenandoah Valley, Virginia},
 keywords={Stany Zjednoczone Ameryki Północnej, geologia, mineralogia, czasopisma, Wirginia (Stany Zjednoczone ; stan)},
}