Hardrock Mining: Updated Information on State Royalties …
Source: GAO analysis of prior report, (GAO, Hardrock Mining: Information on State Royalties and Trends in Mineral Imports and Exports, GAO-08-849R (Washington, D.C.: July 21, 2008)), state statutes, regulations, expert literature, and interviews with selected experts.Amendments requiring additions to tables since our 2008 report are …