Britannia Mines Concentrator - Credit: Wikimedia Commons
The Britannia Mines Concentrator is a National Historic Site of Canada. The large, inclined gravity mill was built on the northwest side of Mount Sheer to assist the transfer of copper ore through the chemical and mechanical processes of the plant. It is a landmark in Britannia Beach, British Columbia some forty-five kilometers north of Vancouver. Read more on Wikipedia
Source: en.wikipedia.org