Hassayampa Switchyard (Geographic Keyword)

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A Cultural Resource Survey for the Proposed Southwest Valley 500kV Transmission Line Project, Maricopa County, Arizona (2002)
DOCUMENT Full-Text Kris Dobschuetz. Glenn Darrington.

The proposed project consists of approximately 37 miles of 500 kilovolt (kV) transmission line to interconnect electric generation resources in the west valley with the existing 230kV system in the metropolitan Phoenix area. Also, the proposed 500kV transmission line will be double circuited with a 230kV transmission line for approximately 10 miles. The double­ circuit 500/230kV transmission line will extend between the proposed Southwest Valley Substation to the existing Liberty ...