tx history ch 3.4
TRANSCRIPT
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Chapter 3:
The Regions of Texas
Section 4:
The Great Plains
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The Central Plains
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HighPlains
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High Plains
• High plains cover most of the Texas Panhandle
• High Plains are higher than the Central Plains
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High Plains
• Caprock—hard bed of rock beneath the soil of the High Plains
• Erosion of the rock has created cliffs called Escarpments
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High Plains
Palo Duro Canyon
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High Plains
• The High Plains receives little regular rainfall
• Rich grass lands attracted ranchers
• Grasslands farmed with irrigation—wheat and cotton raised
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High Plains
• Cities
– Lubbock & Amarillo—meat processing
– Midland & Odessa—oil production
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Edwards Plateau
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Edwards PlateauThe Balcones Escarpment separates
the Edwards Plateau from the Gulf Coastal Plain.
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Edwards Plateau
•Fault—break in the earth’s crust
• Fault line extends through San Antonio & Austin
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Edwards Plateau
• Deep hard layer of limestone below the soil
• Erosion has cut into limestone causing a rocky landscape
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Edwards Plateau
Ranchers have adapted to the
environment in rocky areas by raising sheep and goats.
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Edwards Plateau
• Cities– Austin:
largest city on the Edwards Plateau
– Del Rio
– San Angelo