Blazed Alder Creek
... that Blazed Alder Creek, which supplies part of the drinking water for Portland, Oregon, was named for a 24-inch (61 cm) blazed (marked) alder tree used as a benchmark for early watershed surveys?
... that <b id="mwBBM"><a href="./Blazed_Alder_Creek" id="mwBBQ" rel="mw:WikiLink" title="Blazed Alder Creek">Blazed Alder Creek</a></b>, which supplies part of the drinking water for <a href="./Portland,_Oregon" id="mwBBU" rel="mw:WikiLink" title="Portland, Oregon">Portland, Oregon</a>, was named for a <span about="#mwt21" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"24"},"2":{"wt":"in"},"3":{"wt":"cm"},"adj":{"wt":"on"}},"i":0}}]}' id="mwBBY" typeof="mw:Transclusion">24-inch (61</span><span about="#mwt21" typeof="mw:Entity"> </span><span about="#mwt21">cm)</span> blazed (marked) alder tree used as a benchmark for early watershed surveys?