Pamphlet with buff cover. Newsletter of the union of coal miners from the mines and metallurgical plants in the province of Liège, twelfth year. Minutes of the meetings of February 9 and March 8, 1880: List of establishments belonging to the Union of coal mines, mines and metallurgical factories of the province of Liége, on March 1, 1880. Composition of the Standing Committee for the year 1880 - 1881. Report on the work of the Permanent Committee during the year 1879. Tariff of season tickets on the State railway. New request from the Committee. Restoration of the tariff of minerals by 12 wagons. Request from the Committee. Request from the Committee. Reports for consuls. Letter from the Minister of Foreign Affairs. Printed by H. Vaillant-Carmanne, Liège.