Abandoned Mine Lands | US Forest Service
https://www.fs.usda.gov/managing-land/natural-resources/geology/abandoned-mine-lands
WEBThere are approximately 38,991 total abandoned mine sites: 13,597 or 34% of the total were mines with records of mineral production. Many involved minerals like arsenic, cadmium, copper, lead, mercury and zinc which can cause human health and environmental impacts.
DA: 68 PA: 37 MOZ Rank: 48