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A2004-001.1435 : Converting Portland street light to mercury vapor from incandescent
Wednesday, December 31, 1997
A2004-001
AP/11077
Black and white
4 X 6
Comissioner Ormond R. Bean and Hilbert Johnson of Portland General Electric (PGE).
A2004-001.1435 : Converting Portland street light to mercury vapor from incandescent
Wednesday, December 31, 1997
A2004-001
AP/11077
Black and white
4 X 6
Comissioner Ormond R. Bean and Hilbert Johnson of Portland General Electric (PGE).