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.
As the site of the Chicago Portage, the city became an important transportation hub between the eastern and western United States. Chicago's first railway, Galena and Chicago Union Railroad, and the Illinois and Michigan Canal opened in 1848.