Helen R. Belyea

• Deep wells and subsurface stratigraphy of part of the St. Lawrence Lowlands, Quebec
• Devonian sediments in Southern Alberta and correlations with Northwestern Montana
• Devonian stratigraphy and facies of the southern Rocky mountains of Canada, and the adjacent plains
• Middle Devonian tectonic history of the Tathlina Uplift, Southern District of Mackenzie and Northern Alberta, Canada
• The Devonian cedared and Harrogate formations in the Beaverfoot, Brisco, and Stanford Ranges, Southeast British Columbia
• The story of the mountains
• Upper Devonian formations, southern part of Northwest Territories, northeastern British Columbia, and northwestern Alberta