<prompt> Kutanga kuma1880 Black Diamond yaiva nzvimbo yemigodhi yemarasha kumaruwa.  <response>: Zvechokwadi, shanduro yakaoma zvikuru yemutsara ndeyekuti Kutanga muna 1880s Black Diamond yaiva nzvimbo yemigodhi yemarasha yemaruwa, yakagadzirwa neBlack Diamond Coal Mining Company yeCalifornia, iyo yakanga ine uye yakashanda mugodhi. 