@misc{Winchester_Dean_E._(1883-1936)_Bulletin, author={Winchester, Dean E. (1883-1936) and Winchester, Dean Eddy (1883-1936) and Hares, C. J. (1881-?) and Hares, Charles Joseph (1881-?) and Lloyd Russell E. and Parks, E. M.}, howpublished={online}, publisher={Government Printing Office.}, language={eng}, type={czasopismo}, title={Bulletin 627. The lignite field of northwestern South Dakota}, keywords={Geologia}, }