BA.9211-07A warning sign for high levels of PCBs at an old DEW line station. Melville Peninsula, Nunavut, Canada.
QQ.0148-05Sign warning of dogsleds, on ice road between Thule Air Base and Dundas.
BA.9209-27Signs, (one bi-lingual) that warn of presence of PCB'S at an old DEW Line Site on the Melville Peninsula. Nunavut, Canada
SZ.1020-02Walking by the triangular warning beacons on the Smeerenburg shoreline. Amsterdamoya.