DALLAS, TEXAS, April 19, 2018 (GLOBE NEWSWIRE) —  Dorchester Minerals, L.P. (NASDAQ:DMLP) announced today the Partnership’s first quarter 2018 cash distribution.  The distribution of $0.418449 per common unit represents activity for the three-month period ended March 31, 2018 and is payable on May 10, 2018 to common unitholders of record as of April 30, 2018.