 Hawley worked at the site through 1933, and in Fagan's opinion her comparison dating of masonry walls and potsherds significantly enhanced the study of Chacoan culture.He credits her with aiding the establishment of one of archeology's most accurate chronologies.In 1983, as the only surviving member of Hewett's 1929–33 group of researchers, Hawley noted the difficulties of excavating Chaco Canyon during the Great Depression