Belyea's research was instrumental in mapping and interpreting the sedimentary basins of Alberta, contributing significantly to oil and gas exploration in the region. At a time when few women worked in field geology, she stood out not just for her expertise, but for her dedication. Her contributions earned her numerous accolades, including fellowship in the Royal Society of Canada. Helen Belyea passed away on May 20, 1986, leaving behind a legacy of scientific excellence and inspiration for future generations.