The riding of Niagara Centre has a population of 109,070 and consists of:
(a) the cities of Port Colborne, Thorold and Welland; and
(b) that part of the City of St. Catharines lying southerly
and easterly of a line described as follows: commencing
at the intersection of the easterly limit of said city with
Glendale Avenue; thence generally southwesterly along
said avenue to Merritt Street; thence southeasterly
along said street to Glendale Avenue; thence generally
westerly along said avenue to Twelve Mile Creek; thence
generally northerly along said creek to St. Paul Crescent;
thence generally southwesterly along said crescent to
St. Paul Street West (Regional Road No. 81); thence
generally westerly along said street to First Louth Street;
thence southerly along said street to the southerly limit
of said city
