Natural Resource Partners LP is a Houston-based company that specializes in owning, managing, and leasing a diverse portfolio of mineral properties across the United States. With a focus on coal, soda ash, trona, and other natural resources, the company has significant holdings in key areas like the Appalachia Basin, Illinois Basin, and Northern Powder River Basin. Beyond coal, it also has interests in industrial minerals, aggregates, oil and gas in Louisiana, timber in West Virginia, and operates a trona ore mining and soda ash refinery in Wyoming. The company generates revenue through leasing its reserves for royalty payments and owns infrastructure supporting its coal properties.