DescriptionLeadfield mine.jpg Leadfield Mine Date 17 March 2008, 02:49 Source https://www.flickr.com/photos/eflon/2397737262/ Author eflon from Ithaca...
DescriptionMine at Leadfield.JPG Deutsch: Türstockausbau in Kalifornien. English: Timber roof support in californian mine. Date April 2003 Source Own work...
