| Online link | https://doi.org/10.3133/sir20155114 |
|---|---|
| Description | Since 1995, domestic production of lead has increasingly shifted from primary mining and smelting to the recovery of lead-bearing scrap by the secondary lead industry, which accounted for 91 percent of U.S. lead production in 2012. Increasingly stringent |
| Originators | Wilburn, David R. |
| Publication | U.S. Geological Survey Scientific Investigations Report 2015-5114 |