Texas Terms: GeographyVersión en línea Texas vocabulary on geography in Texas por Dallas Historical Society 1 A low, bowl-shaped landform located between the mountains 2 A high, level stretch of land. 3 A marshy, slow-moving body of water. 4 A line of steep slopes or cliffs. 5 An underground layer of spongy rock that holds water 6 A violent storm with high winds and heavy rain 7 A dry area that receives fewer than 10 inches of rain a year.