Metroplex: manufacturing and trade center in Dallas/Fort Worth.

Alluvial Soils: soil with earth left on land prev. flooded or river water.

Peanuts: crop in Coastal Plains and NCP.

Maquiladoras: factories in MX producing piecework contracts with other countries.

Amarillo: largest city in North Plains, most northern major city in TX.

Guadalupe: range goes to NMX, peak is 8,749 ft. highest mtn in TX.

Buttes: small, flat-topped hills.

Houston: in the Coastal Plains, along important transportation routes.

Droughts: periods of little to no precip.

Basin: canyons and mountain plateaus w/ saucer shaped depressions.

Erosion: breaking down of land by natural forces.