This fonds consists of 597 col. slides. Slides feature Thomas Donnelly's travels throughout the Northwest Territories as a meteorologist. The communities highlighted in these slides include Yellowknife, Fort Smith, Inuvik, Fort Franklin (Délı̨nę), Lac La Martre (Whatı̀), Fort Good Hope, Norman Wells, Colville Lake, Rae (Behchokǫ̀), Cambridge Bay, Coppermine (Kugluktuk), Holman (Ulukhaktok), Hay River, Artic Red River (Tsiigetchic), and Fort Reliance.
The content of the slides features Donnelly's travels throughout the north but heavily favours aerial views of the Mackenzie River and surrounding communities, weather stations, airports, air and float planes, churches and significant events such as the construction of the Dempster Highway and the visit of Governor General Michener to the community of Holman (Ulukhaktok).
Donnelly, Thomas Albert