The developer made a final lease payment of $24,765 last 23 December to the Texas General Land Office (GLO), agency spokesman Jim Suydam tells Recharge.

The two sides finalized an initial lease for 19,794 acres (80.1sq km) in July 2009 for the proposed Rio Grande project. Baryonyx leased an additional 21,672 acres in August 2010 for the Rio Grande North project.