U.S ai Ohio ah vai 12 hnakin tam sawn hlinhling tlung awnghnak heh lailung song ah Zinan (Oil) cotu te in lailung song ah Zinan zonghnak in tii tam roh thun de le ciami in lailung hnawm ruai le hlinhlin tlung ii tiin thu than ii.
Ohio Department of Natural Resources (ODNR) in zingzoihnak bawn le Zinan sihnak in a lonhnak tii sia heh lailung song ah lon lehhnak in hlinhlin cang ruai tiin phuang ii. Lailung song ah tii sia londaan heh Class 1 le Class 2 tiin khan ii. U.S ai ram hrekkhat ah lailung song ah tii sia lon heh siang lo ii.