Inventory of movable and immovable relics of industrial archaeological nature in Limburg. Description of the criteria and method of the inventory, enumeration of brickworks (photos), housing complexes (photos), hydroelectric power stations (photos), mine shafts (photos), among others. Attention is also paid to the development of industry in Limburg (photographs), infrastructure, including railroads (topographical map). Van Heukelom mentions the stations of Weert (1913), Maastricht (1915) and Schin op Geul (1913). Attention is also paid to the construction of the Voerendaal-Schin op Geul section.