San Juan Basin Royalty Trust operates as an express trust in Texas. It has a 75% net overriding royalty interest in Southland's oil and natural gas interests in properties located in the San Juan Basin in northwestern New Mexico. The company also owns subject interests consist of working interests, royalty interests, overriding royalty interests, and other contractual rights in 119,000 net-producing acres in San Juan, Rio Arriba, and Sandoval Counties of northwestern New Mexico. San Juan Basin Royalty Trust was incorporated in 1980 and is based in Dallas, Texas.