@misc{Brown_John_S._(1894-?)_Bulletin, author={Brown, John S. (1894-?)}, copyright={Biblioteka Politechniki GdaƄskiej}, howpublished={online}, publisher={Government Printing Office.}, language={eng}, type={czasopismo}, title={Bulletin 783-D. The Nixon Fork county and Silver-Lead prospects near Ruby}, keywords={Geologia}, }