Platt National Park - a national park in Oklahoma having mineral springs

American state - one of the 50 states of the United States

U.S.A., United States, United States of America, US, USA, America, U.S. - North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776

Bartlesville - a town in northeastern Oklahoma

Enid - a town in north central Oklahoma

Lawton - a town in southwest Oklahoma

McAlester - a town in southeastern Oklahoma

Muskogee - a town in eastern Oklahoma on the Arkansas River

capital of Oklahoma, Oklahoma City - capital and largest city of Oklahoma; the economy is based on oil and livestock

Tulsa - a major city of northeastern Oklahoma on the Arkansas river; once known as the oil capital of the world and still heavily involved in the oil and gas industries

Arkansas River, Arkansas - a river that rises in the Rocky Mountains in Colorado and flows southeast through Kansas and Oklahoma and through Arkansas to become a tributary of the Mississippi River

Canadian River, Canadian - a river rising in northeastern New Mexico and flowing eastward across the Texas panhandle to become a tributary of the Arkansas River in Oklahoma

Cimarron, Cimarron River - a river that rises in northeastern New Mexico and flows eastward into Oklahoma where it becomes a tributary of the Arkansas River

Llano Estacado - a large semiarid plateau forming the southern part of the Great Plains

Neosho, Neosho River - a river that rises in eastern Kansas and flows eastward into Oklahoma to become a tributary of the Arkansas River

Red River, Red - a tributary of the Mississippi River that flows eastward from Texas along the southern boundary of Oklahoma and through Louisiana