sentences:  When the rich coal deposits on the Saar started a boom in the coal and iron industry, workers from Herschweiler-Pettersheim, too, found jobs there as miners and ironworkers.About 1890, young people set off on foot in great throngs, walking far, to the new workplaces in the Frankenholz and Neunkirchen mines and at the ironworks.Once there, they worked the whole week through, stayed in dormitories, and returned home on Sunday.