Keywords: Niagara Falls from the air (HS85-10-37506).jpg Niagara Falls from the air 1920 Institution British Library object history credit line accession number HS85/10/37506 Picturing Canada image 37506 British Library image HS85/10/37506 http //www bl uk/manuscripts/FullDisplay aspx ref HS85/10/37506 PD-Canada-photo PD-1923 thumb left 300px Alternative version of this file Aerial photographs of Niagara Falls Picturing Canada images missing coordinates Photographs by the Canadian Postcard Company 1920 aerial photographs of Ontario |