the TSU campus. Tarleton State University is one of four universities in the state of Texas to own and operate two radio stations; the other institutions being the University of Houston, the University of Texas at Austin, and Texas Tech University. Campuses Students come from around the world–32 countries and 46 states in the United States–to attend Tarleton. Most university activities take place on Tarleton's main campus. An operational university farm with classroom space is located near the main campus northwest of Stephenville with access from TX Highway 8 and US Route 281. The Hunewell Ranch is located in Erath County and provides additional educational facilities. Tarleton also offers specialized programs at its Dora Lee Langdon Cultural and Educational Center in Granbury and select programs and courses at McLennan Community College in Waco, Weatherford College in Weatherford, Bryan at the RELLIS Campus, and in Fort Worth. Upper-level courses were offered at Tarleton-Central Texas in Killeen until 2009 when Texas A&M University-Central Texas was formed as a separate institution. Stephenville Most university activities take place on Tarleton's main campus in Stephenville, the county seat of Erath County. With a population of 21,247, Stephenville provides a combination of small-town living and proximity to Dallas–Fort Worth. Facilities The main campus in Stephenville features a sports recreation center opened in fall 2007. The two-story building holds four racquetball courts, a gym, a weight room, an indoor track, cardio equipment as well as multi-purpose rooms, classroom, and office space. The new facility is also home to a climbing wall and an "outdoor pursuit" area, allowing students the opportunity to sign up for such outdoor items as kayaks, tents, and camping equipment. A $13 million, dining facility opened in fall 2008. The new building is an extension of the student center and has two floors, a convenience store, executive meeting rooms and a cafe with a wireless network. In 2001, the university completed a $30.8 million science building complete with a 86-seat planetarium. In 2014, the Science Building was named for Dr. Lamar Johnson a former professor of biological sciences and dean of the College of Arts & Sciences. The old science building went through an extensive $13.5 million renovation and expansion upgrading laboratories and classrooms. This building is now named the Mathematics Building. An observatory at Hunewell Ranch houses a fully robotic research-grade telescope. The Dick Smith Library is a three-floor facility that houses materials