Back to the resource library Millsite Opinion – Leshy November 7, 1997 Author(s): Millsite Opinion – Leshy Download Limitations on Patenting Millsites under the Mining Law of 1872 See All Related Resources The Truth About Vale S.A. in Minas Gerais: Commitments and Abuses Earthworks 2025 Campaign Plan Protecting Our Land, Water, and Culture: How to Use Mineral Withdrawals to Safeguard Public Lands from Mining Earthworks 2023 Annual Report