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Oklahoma History
Chapter One
| Term | Definition |
|---|---|
| contour plowing | cultivation that goes around hills instead of up and down them. |
| Cross Timbers | area where post oak and blackjack oak trees grow close together |
| geographers | scientist who studies various features of the earth, its divisions into continents and countries, and the earth's climates, plants, animals, and natural resources. |
| geologists | scientist who studies the history of earth and life. |
| gypsum | a substance occurring naturally in rocks and that is used for making Plaster of Paris and cement. |
| landforms | a natural shape or feature of the Earth's surface. |
| mesas | flat topped hills with cliff like sides |
| precipitation | hail, mist, rain, sleet or snow |
| prehistoric | before written history |
| rhyolite | the lava form of granite |
| strip mined | gotten or recovered (as coal) by digging through surface layers of soil |
| water banking | the practice of catching and storing water |