is 67.25 KB, has a resolution of 1280x640 pixels and was uploaded on October 27, 2018 @ 7:48 am by user: jonoslte. It is filed under the tags: text, zollverein coal mine industrial complex, ruhr, mining, point. Click the blue button at the top to freely download: Blue Border Zollverein Coal Mine Industrial Complex Mining Ruhr Bituminous png.