Answer the following question: Skiatook Lake -  Skiatook Lake is located in Osage County Oklahoma 4 miles (6.4 km) west of the town of Skiatook 11 miles (18 km) east of Hominy Oklahoma and about 18 miles (29 km) from Tulsa. The Skiatook Dam is located 14 miles upstream of the confluence of Hominy and Bird Creeks. Gentle rolling hills of Blackjack and Post Oak interspersed with Tallgrass prairie surround the lake. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Natural Place