he collection documents environmental advocacy, public policy development, and citizen engagement related to natural resources in South Dakota, primarily from the 1970s through the 2010s. Records are arranged largely by topic and include background research, media coverage, regulatory and legislative documentation, and technical materials such as environmental analyses and impact statements. Significant concentrations address energy production and transmission, rural electric cooperatives and the Public Utilities Commission, air and water quality regulation, irrigation and water development projects, and the environmental impacts of agricultural and extractive industries.

Also included are organizational and administrative files that trace the operations of the sponsoring group(s), including governance records (minutes, bylaws, board and committee files), financial records, membership and outreach materials, and newsletters and public communications. Together, the materials document how environmental issues were researched, debated, communicated, and pursued through public testimony, coalition work, educational programming, and legislative action at local, state, and federal levels.