HOUSTON–(BUSINESS WIRE)–Black Stone Minerals, L.P. (NYSE:BSM) (“Black Stone Minerals,” “Black Stone,” or “the Partnership”) today announces that it has closed on the previously announced acquisition of certain mineral and royalty interests in East Texas previously owned by Angelina County Lumber Company (“ACLCO”). Black Stone acquired approximately 138,000 gross (74,000 net) acres, including approximately 18,000 net acres in the Shelby Trough, in exchange for approximately 2.9 million common