Major transmission systems of the Pennsylvania-New Jersey-Maryland interconnection [cartographic material] : including all facilities scheduled for services by June 1, 1979 / prepared by Gilbert Associates, Inc

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Cartographic Mathematical Data:

Scale approximately 1:1,000,000 (W 80°31ʹ--W 73°45ʹ/N 42°16ʹ--N 38°00ʹ).

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Shows five classes of transmission lines, generating stations, substations and switching stations.
"January 1978."

View MARC record | catkey: 455726