<prompt> Bhala okuqhubekayo kwalesi sigaba - INorth Dakota e-United States ibiyindawo yokukhiqizwa kobumba besikhathi samanje kusetshenziswa ubumba lwaseNorth Dakota kusukela ekuqaleni kwawo-1900. Ngo-1892 kwanyatheliswa ucwaningo olwenziwa u-Earl Babcock, umfundisi we-chemistry e-University of North Dakota UND olwabika ngezimfanelo eziphakeme zobumba baseNorth Dakota bokwenza izinto zobumba. Isikole se-UND School of Mines saqala ukusebenza ngo-1898 no-Earl Babcock njengomqondisi. Ngosizo lwabadali bobumba abaningana baseMpumalanga, ubumba olwenziwe ngobumba lwaseNyakatho Dakota lwaboniswa okokuqala ngo-1904 eSt. Louis Worlds Fair  <response>: . futhi. 