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.
The Chesapeake and Ohio Canal, abbreviated as the C&O Canal and occasionally called the  Grand Old Ditch , operated from 1831 until 1924 along the Potomac River from Washington, D.C. , to Cumberland, Maryland. The canal's principal cargo was coal from the Allegheny Mountains.