Barker 1949 (ver. 1)
PDF (6.6 MB)
USGS - Historic Quads
Barker 1965/1967 (ver. 1)
Barker 1980
PDF (7.7 MB)
Barker 2010
PDF (13.6 MB)
USGS - US Topo
Barker 2013
PDF (18.1 MB)
Barker 2016
PDF (22.6 MB)
Olcott
1:62,500
Niagara
1:125,000
Lockport
1:100,000
Toronto
1:250,000
Lyndonville OE N
Newfane
Barker
Lyndonville
Gasport
Medina