sentences:  In the beginning, the stone deposit was worked by many small quarrying businesses, until 1914, when they were all taken over by Basalt AG from Linz am Rhein, who proceeded to further expand the quarrying operations.In 1919, a ropeway conveyor to Altenglan was built to ensure efficient transport of the product.In 1923, the "Kolonie" was built, a workers’ settlement with roughly 50 dwelling units.