... WORKMEN'S TOPICS. THE REGULATION OF COAL MINERS' WAGES. By.MABON, M.P. The practice for a long time in the coal mining industry has been to, and still is, regulate in. creases and decreases on rates paid in a given year, the rates paid at various collieries in that constituting the standard or basis on which all subsequent changes in advances and reductions are calculated. Thus in this ...