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Aerial photographs taken by J.H. Mitchell on main aerial reconnaissance flight from Hazelton via Fort St. James to Finlay Forks, Sifton Pass, Pelly River and Dawson, returning to Whitehorse via Yukon river and thence to Atlin. Additionally, aerial photographs from flight from Atlin Lake to Takla, via Nakina, Tanzilla and Klappan Rivers. Photographs show creeks, rivers, river valleys, lakes, mountains, and forests. Dated 12, 13, 16 and 17 July 1939.

Aerial photographs taken on main aerial reconnaissance flight from Hazelton via Fort St. James to Finlay Forks, Sifton Pass, , Pelly River and Dawson, returning to Whitehorse via Yukon river and thence to Atlin. Photographs show creeks, rivers, river valleys, lakes, and forests. Dated 10, 11 and 12 July 1939.

Documents outlining route of flights and descriptions of content and location of aerial photographs with photo numbers.

Contains documents with flight routes and aerial photographs taken by J. H. Mitchell from Hazelton via Fort St. James to Finlay Forks, Sifton Pass, Pelly River and Dawson, returning to Whitehorse via Yukon river and thence to Atlin.

Aerial photographs taken on main aerial reconnaissance flight from Hazelton via Fort St. James to Finlay Forks, Sifton Pass, Pelly River and Dawson, returning to Whitehorse via Yukon river and thence to Atlin. Photographs show creeks, rivers, river flats, river valleys, forests, and settlements. Dated 9, 10 and 12 July 1939.

Aerial photographs of farmland, rivers, highways/roads, and forest. Dated 31 August 1942.

Stereograms consist of duplicates and copies of the Green River (Utah), Honey Creek (Oklahoma), Moses Lake (Washington), Willow Creek (Wyoming), Six Farms (Illinois) and Walker Lake (California). Stereographs are dated from 1937 to 1944.

Aerial photographs of farmland, lakes, rivers, highways/roads, some towns. Dated 27, 29, 30 April 1946 and 1, 15, 16 May 1946. Some photos have been cut.

Aerial photographs of mountains and rivers. Photographs are dated 1 November 1949.

Aerial photographs of farmland and highways/roads. Photographs are dated 23 April 1951.