The historic Jefferson Substation (built 1909), located at 37 Southwest Jefferson Street in <a href="https://en.wikipedia.org/wiki/Portland,_Oregon" class="extiw" title="en:Portland, Oregon">Portland, Oregon</a>, <a href="https://en.wikipedia.org/wiki/United_States" class="extiw" title="en:United States">United States</a>, is listed on the US <a href="https://en.wikipedia.org/wiki/National_Register_of_Historic_Places" class="extiw" title="en:National Register of Historic Places">National Register of Historic Places</a> (NRHP).<br><i>NRHP reference number 80003368</i>
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