deleterious. adjective (Formal) harmful, bad, damaging, destructive, detrimental, hurtful, pernicious, ruinous, prejudicial, injurious Fear of crime is having a deleterious effect on society. adjective.
In 1987, the south bank of the canal became part of the National Ice Age Trail. Maps and more information are available at the Portage Area Chamber of Commerce, Located at the corner of Wisconsin and Cook Streets, Downtown Portage.
Listen to an audio guide of the history of the Portage Valley area. Turn-of-the-century prospectors dropped off at the head of Passage Canal dragged their supplies over the pass en route to Kenai gold fields. During WWII, the army built a railroad tunnel to Whittier, and it was opened to car traffic in 2000. It's a good hour's drive from Anchorage down the Turnagain Arm to Portage Valley, and the entire drive can take about a half day or longer.