Hardrock Mining Management: Selected Countries, U.S. States, and Tribes Have Different Governance Structures but Primarily Use Leasing, Report to the Chairman, Committee on Natural Resources, House of Representatives   [open pdf - 8MB]

From the Highlights: "Hardrock minerals such as gold, silver, and copper play a significant role in U.S. and global economies--in 2018, hardrock minerals extracted worldwide were valued at about $981 billion. However, extracting these minerals creates the potential for public health, safety, and environmental hazards. Different approaches exist to manage these hazards and hardrock mining. GAO [U.S. Government Accountability Office] recently reported on the number and characteristics of mining operations on federal lands in GAO-20-461R [hyperlink] and was also asked to review the methods different governments use to manage mining. This report describes the governance structures and approaches used to manage mining on (1) selected mineral-producing countries' land, (2) state-owned land in selected U.S. states, and (3) tribal lands subject to federal laws and regulations. GAO reviewed laws, regulations, government documents, legal guides, and nongovernmental and industry reports. GAO also interviewed nongovernmental and mining association representatives and officials from selected states and countries. GAO selected countries that were top mineral producers, perceived by researchers to have good mining governance, and were attractive to mining investors. GAO selected states in the western region of the U.S. that produced the highest value of hardrock minerals compared with other U.S. regions. GAO examined federal laws and regulations that generally govern mining on tribal land and interviewed one tribe on mining approaches used."

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Government Accountability Office: https://www.gao.gov/
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