Back to the resource library Pima County Marble Mine Public Comments August 20, 2004 | Share: Download EARTHWORKS comments submitted to the AZ State Land Department regarding a limestone mine proposal that would impact endangered species along Cienega Creek. See All Related Resources Earthworks 2024 Annual Report The Future of Mine Waste: From the Myth of Zero Tailings to Real Solutions Support HB84: End spreading oil and gas waste in PA Comments on Colorado Air Quality Permit Fees