Original sentence: Alphonse Briart (1825-1898) was supervisor of the coal mines at Bascoup and Mariemont near Morlanwelz in the Hainaut province of  Belgium, and a geologist who studied that region
Edited sentence: Alphonse Briart (1825–1898) was supervisor of the coal mines at Bascoup and Mariemont near Morlanwelz in the Hainaut province of  Belgium, and a geologist who studied that region