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.
Duroc Ranch. The Duroc Ranch consists of 943.17 acres of land in Coryell County approximately five miles from Evant, Texas. This property is unique in that it has more creeks and branches than any other in this area. Langford Branch runs through the middle of the property emptying into the Cowhouse Creek.