DescriptionMine at Leadfield.JPG Deutsch: Türstockausbau in Kalifornien. English: Timber roof support in californian mine. Date April 2003 Source Own work...
https://www.flickr.com/people/eflon/ publication date: 8 April 2008 operator: Flickr described at URL: https://www.flickr.com/photos/eflon/2397737262...
