Natural Resource Partners L.P., through its subsidiaries, owns, manages, and leases mineral properties in the United States. It owns interests in coal, trona and soda ash, crude oil and natural gas, construction aggregates, frac sand, and other natural resources, as well as lime, potash, and rare earths. The company’s coal reserves are located in coal-producing regions: Appalachia, the Illinois Basin, and the Western United States, as well as lignite reserves in the Gulf Coast region; and oil and gas properties are located in the Williston Basin, the Appalachian Basin, Louisiana, and Oklahoma. The company owns and leases its reserves to mine operators in exchange for royalty payments; and owns and manages infrastructure assets. It also owns and leases preparation plants and related material handling materials to third parties; and owns handling and transportation infrastructure. NRP (GP) LP serves as the general partner of the company. Natural Resource Partners L.P. was founded in 2002 and is headquartered in Houston, Texas.