(Portland, OR)  --  Police are searching for a woman who's been missing for more than a month.  The Dalles Police Department says Heather Mcallister was last seen July 3rd near Glenwood Highway in Klickitat County.  Unconfirmed reports say Mcallister may have cut her hair and bleached it blond since disappearing.  Family member say they're concerned for her well-being.