November 2012 — Confined Space. Do not enter.

November 2012 — HAZARDOUS WASTE SATELLITE STORAGE •ONE drum only •MUST be closed, except when filling •MUST have hazardous waste label visible •MUST have contents identified •Date label when full •Move to waste storage within 48 hours after filling FLAMMABLE LIQUID CAN

August 2021 — A sign reading "Extreme Fire Danger" "Please be careful!" in the Iron Range in northern Minnesota.

December 2021 — A December snowstorm over Bde Maka Ska in Minneapolis.

December 2022 — An active quarry danger sign found in Northeast Wisconsin.