MLRBMined Land Reclamation Board (Colorado)
MLRBMaine Labor Relations Board
MLRBMassachusetts Labor Relations Board
References in periodicals archive ?
By the 21st, three weeks behind schedule, they were underground, but were hit with a mine inspection order from the Mined Land Reclamation Bureau (MLRB), whose people showed up on June 3 and issued what was, after all, a good report.
June 3: The MLRB shows up, likes the operation but says "we will have to go before the Board" for a ruling on the mine's permanent status.
Stop that right now, said the MLRB. You can't threaten employees for exercising their collective bargaining rights.