The stratosphere, mesosphere and lowest part of the thermosphere are collectively referred to as the middle atmosphere, which spans heights from approximately 10 kilometres (33,000 ft) to 100 kilometres (62 mi).
Terrell, Texas. Not to be confused with Terrell County, Texas. Terrell is a city in Kaufman County, Texas, United States. As of the 2010 census, the city population was 15,816. Terrell is located 32 miles (51 km) east of Dallas.
Falfurrias is a city in and the county seat of Brooks County, Texas, United States. The population was 4,981 at the 2010 census. The town is named for founder Edward Cunningham Lasater's ranch, La Mota de Falfurrias. In 1893, the Falfurrias ranch was one of the largest in Texas at some 350,000 acres (1,400 km 2).