关键词: 怀俄明州, 土地复垦, 验收标准, 保证金返还

Abstract: The land reclamation started earlier in the United States.As state with biggest mineral resources，Wyoming has a long history of land reclamation，and its relative rules and regulations are comparatively advanced.Especially，the land reclamation performance standards and bond release system are reasonable and practical，that has effectively contributed to the successful land reclamation.Based on the review and analysis on the land reclamation rules and regulations in Wyoming，and the interview with the officer in the Wyoming Department of Environmental Quality，Land Quality Division，the rules and regulations system are analyzed，and the legal basis and procedure，details the land reclamation performance standards and bond release criteria by stages are illustrated.Finally，the success factors for land reclamation and bond release in Wyoming have been concluded as the localized rules and regulations，detailed specific performance standards and strict monitoring and supervision institution.The successful experiences in Wyoming could be taken as a reference for the relative policy formulation in China.

Key words: Wyoming, Land reclamation, Performance standard, Bond release