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Documentation of Historic Transmission Towers in the Eastern Mining Area Transmission System - Tonto National Forest and Tonto National Monument, Arizona (2021)
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Beginning in 2021, Salt River Project (SRP) will replace substandard historic-age lattice tower structures along the 130-mile-long Eastern Mining Area (EMA) 115 kilovolt (kV) transmission system located on the Tonto National Forest and Tonto National Monument. The work is necessary to maintain reliability and safety of the EMA system and is being conducted to meet the requirements of the National Electrical Safety Code and the North American Electric Reliability Corporation (NERC), acting under...