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Oklahoma History

Chapter One

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
Created by: Jassman