November 2019 — A weathered metal sign mounted on a brick wall warns “NO SMOKING BEYOND THIS POINT,” its paint cracked and dulled by decades of exposure. Signs like this were once common in milling and industrial facilities across Minneapolis, where airborne dust from grain or manufacturing posed a significant fire risk. The hand-lettered typography and aged surface reflect a bygone era of factory safety culture, preserving a small but telling fragment of the city’s industrial heritage.