Lake Mead NRA

  • Bighorn sheep petroglyph Bridge Canyon Wilderness within the new Avi Kwa Ame National Monument. Photo George Wuerthner  Today President Biden used his authority under the 1906 Antiquities Act to create two new national monuments. The larger of the two, Avi Kwa Ame, in southern Nevada, encompasses 506,814 acres, while the Castner Range near El Paso,…

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