div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=mr-6-plate-1-2012-8-29-all-of-the-metal-mines-that-have-produced-signif-icanthtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: MR 6 plate-1 · 2012 8 29 · All of the metal mines that have produced signif- icant quantities of ore have been inactive since 1900 Relatively few of the quarries shown were loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsnetreader035viewer202207151661386a040ad5d20676493dbbhtml5thumbnails1jpg width=140 height=200 divdiv