History of Oklahoma - Before Statehood

Before Statehood

Topographically, Oklahoma is situated between the Great Plains and the Ozark Plateau in the Gulf of Mexico watershed. The western part of the state is subjected to extended periods of drought and high winds in the region may then generate Dust storms. The eastern part of the state is humid subtropical climate zone. The Dry line, an imaginary line that separates moist air from an eastern body of water and dry desert air from the west, usually bisects the state and is arguably an important factor in pre-historic settlement, with agrarian tribes settling in the eastern part of the state and Hunter-gatherer tribes settling in the western part of the state.