; and (B) additional impacts on local communities in the Greater Chaco region, including the Pueblo Indian Tribes, Navajo Nation, Hopi Tribe, and other Indian Tribes; (12) a mineral withdrawal in the landscape around the Chaco Culture National Historical Park would prevent leasing and development on Federal land and of Federal minerals in the immediate area surrounding the Chaco Culture National Historical Park, which would protect resources and visitor experiences at the Chaco Culture National Historical Park; (13) additional studies and protective measures should be undertaken to address health, safety, and environmental impacts on communities and interests of the Pueblo Indian Tribes, Navajo Nation, Hopi Tribe, and other Indian Tribes in the Greater Chaco region; and (14) the Greater Chaco region continues to be used for ceremonial and cultural purposes by the Pueblo Indian Tribes, Navajo Nation, Hopi Tribe, and other Indian Tribes. 3. Definitions In this Act: (1) Covered lease The term covered lease means any oil and gas lease for Federal land— (A) on which drilling operations have not been commenced before the end of the primary term of the applicable lease; (B) that is not producing oil or gas in paying quantities; and (C) that is not subject to a valid cooperative or unit plan of development or operation certified by the Secretary to be necessary. (2) Federal land (A) In general The term Federal land means— (i) any Federal land or interest in Federal land that is within the boundaries of the Chaco Cultural Heritage Withdrawal Area, as depicted on the Withdrawal Map