As Indian gaming received federal approval and became more prevalent, the Osage Tribal Council created the Osage Tribe Gaming ... Enterprise Board. This group today provides oversight for the business entity known as Osage Casinos. Hominy opened in Spring 2002 under Osage Nation Gaming; Pawhuska, opened Spring 2003; Sand Springs, Fall 2004; Tulsa, Summer 2005; Bartlesville, Spring 2006; Skiatook, Fall 2007 and Ponca City, opened Winter 2007. read more