Browsing Historical Maps of Niagara by Subject "Aerial oblique photographs"
Now showing items 1-3 of 3
[St. Catharines oblique aerial photographs. 1920]McCarthy Aero Service Limited, 19203 oblique aerial photographs showing northeast views of the 1st and 2nd Welland Canal valley, including St. Paul Street, Glenridge Bridge and Burgoyne Bridge.
[Thorold / Merritton oblique aerial photographs. 1920]McCarthy Aero Service Limited, 1920Oblique aerial photograph showing the 2nd Welland Canal's Neptune Staircase (Locks 19-21 climbing the escarpment), looking west toward Merritton.