Natural Resource Partners LP engages in the business of owning, managing, and leasing a diversified portfolio of mineral properties. The company is headquartered in Houston, Texas and currently employs 54 full-time employees. The company went IPO on 2002-10-11. The firm owns, manages and leases a diversified portfolio of properties in the United States, including coal, industrial minerals and other natural resources, as well as rights to conduct carbon sequestration and renewable energy activities. Its Mineral Rights segment consists of over 13 million acres of mineral interests and other subsurface rights across the United States. Its ownership provides critical inputs for the manufacturing of steel, electricity and basic building materials, as well as opportunities for carbon sequestration and renewable energy. Soda Ash segment consists of its 49% non-controlling equity interest in Sisecam Wyoming LLC (Sisecam Wyoming), a trona ore mining and soda ash production business located in the Green River Basin of Wyoming. Sisecam Wyoming mines trona and processes it into soda ash that is sold both domestically and internationally in the glass and chemicals industries.