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Home Working with Section 106 ACHP Case Digest Fall 2004 Arizona: Review of the Glen Canyon Dam Programmatic Agreement
Arizona: Review of the Glen Canyon Dam Programmatic Agreement
Agency: Bureau of Reclamation
In 1994, the ACHP entered into a Programmatic Agreement on the effects of Arizonas Glen Canyon Dam on historic properties located about 230 miles downstream, along the Colorado Rivers Grand Canyon Corridor District.
The Colorado River, downstream of Glen Canyon Dam, Arizona (photo courtesy of USGS)
The properties include more than 300 National Register-eligible archeological
sites in Grand Canyon National Park, Glen Canyon National Recreational
Area, and lands owned by or of concern to the Navajo Nation, Hualapai
Tribe, Zuni, Hopi, and several Paiute tribes.
The Adaptive Management Program includes an extensive shareholder advisory
program and long-term monitoring of environmental and cultural resources
affected by the operation of the Glen Canyon Dam.
The Cooperative Agreement addresses the re-evaluation of the physical integrity of sites along the Glen Canyon reach of the Colorado River, as well as the preparation of a research design and treatment plan for affected sites along the reach.
The consulting parties also considered the U.S. Geological Surveys (USGSs) plan to establish a core-monitoring program that may involve cultural resources, and its relationship to an existing NPS monitoring program.
Finally, the group began planning a symposium on how geomorphology can enhance the understanding and management of the historic properties along the Colorado River.
The meetings included Federal agencies (BoR, NPS, USGS, and the U.S.
Department of Energys Western Area Power Administration); Indian
tribes (Navajo Nation, Zuni Pueblo, Hopi Tribe, and Southern Paiute Consortium);
the Arizona State Historic Preservation Officer; and the Colorado River
Energy Distributors Association, a non-profit organization.
Staff contact: Margie
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