Tulsa is located in the northeastern corner of Oklahoma, 99 miles (159 km) northeast of Oklahoma City; situated between the edge of the Great Plains and the foot of the Ozarks in a generally forested region of rolling hills. The city touches the eastern extent of the Cross Timbers, an ecoregion of forest and prairie transitioning from the drier plains of the west to the wetter forests of the east. With a wetter climate than points westward, Tulsa serves as a gateway to "Green Country", a popular and official designation for northeast Oklahoma that stems from the region's green vegetation and r...
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