Title: Les houillères entre l'État, le marché et la société
Subjects: Congresses, History, Coal mines and mining, Coal miners, Social conditions, Regional planning, Historic mines, Conservation and restoration, Resilience (Personality trait), Economic conditions, Houillères du bassin du Nord et du Pas-de-Calais
Places: France, Nord-Pas-de-Calais, Nord-Pas-de-Calais (France)