1931 Air Photos of the Niagara Region
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Source of 1931 air photos: Canada Department of Energy, Mines and Resources
How to reference this site
Canada Department of Energy, Mines & Resources. [Niagara] [air photo].1931. [ca.1:6,000] “Brock University Map Library”. <http://www.brocku.ca/maplibrary/airphoto/1931/home_1931.html> (23 Jan. 2009).
How to reference a single air photo from this site (customize red part)
Canada Department of Energy, Mines & Resources. [Niagara] [air photo].1931. [ca.1:6,000] “Brock University Map Library”. <http://www.brocku.ca/maplibrary/airphoto/1931/mapViewer.htm?zoomifyImagePath=http://www.brocku.ca/
maplibrary/airphoto/1931/photo50_img/&zoomifyZoom=20zoomifyToolbar=1&zoomifyNavWin=1> (23 Jan. 2009).