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 June 14 and July 12, 1880: Police regulations on mines. Letter to the Minister. Tariff of ores per 120 tons. Minister's response. New request from the Committee, Letter from the coal administration of Charleroi to the Minister. Trade in British India. Communication from the Consul of Belgium in Calcutta. Letter from the Association of Forge Masters of Charleroi. Petition in favour of the removal of navigation rights. Consul Generals. House of Representatives. Parliamentary inquiry into the situation of Belgium's foreign trade and the means of increasing our direct relations with transoceanic countries. Transport of cokes to Nancy. Letter to the Minister. Printed by H. Vaillant-Carmanne, Liège.