The central region of Texas covers the state's three largest cities: Houston, Dallas-Fort Worth and San Antonio. The limestone terrain of Texas Hill Country lies in Central Texas, as do the state's three largest rivers, the Trinity, the Brazos and the Colorado. A combined 100,000 acres were listed for sale in Bosque County, Texas, recently; the overall value of all Bosque County farms and ranches for sale was approximately $205 million. Bosque County ranks 119th in the Lone Star State for the combined amount of land currently advertised for sale. There were three properties listed as sold in Bosque County through the Land Network Comparable Sales Program. This represented a total value of $2,749,000. Clifton had the most land for sale. Bosque County has a large agricultural economy, with 1,265 farms recorded in the county during the latest U.S. Census. Farming activities in Bosque County generate annual revenues of $4 million, most of which is from crops. Bosque County is Texas's 81st largest county (1,002 square miles). It's located in the Blacklands North Texas region of the state.