Our national forests at risk : the 1872 mining law and its impact on the Santa Rita Mountains of Arizona : oversight field hearing before the Subcommittee on Energy and Mineral Resources joint with the Subcommittee on National Parks, Forests, and Public Lands of the Committee on Natural Resources, U.S. House of Representatives, One Hundred Tenth Congress, first session, Saturday, February 24, 2007, in Tucson, Arizona

"Our national forests at risk : the 1872 mining law and its impact on the Santa Rita Mountains of Arizona : oversight field hearing before the Subcommittee on Energy and Mineral Resources joint with the Subcommittee on National Parks, Forests, and Public Lands of the Committee on Natural Resources, U.S. House of Representatives, One Hundred Tenth Congress, first session, Saturday, February 24, 2007, in Tucson, Arizona"@en
"Our national forests at risk the 1872 mining law and its impact on the Santa Rita Mountains of Arizona : oversight field hearing before the Subcommittee on Energy and Mineral Resources joint with the Subcommittee on National Parks, Forests, and Public Lands of the Committee on Natural Resources, U.S. House of Representatives, One Hundred Tenth Congress, first session, Saturday, February 24, 2007, in Tucson, Arizona"@en