約瑟夫·萊迪
In studying the Joggins Formation, John W. Dawson collaborated not just with Charles Lyell, but also Augustus Addison Gould, Joseph Leidy, John William Salter, and Samuel Hubbard Scudder. Dawson's work at Joggins spanned a total of 44 years, his last update to "Acadian Geology" being published in 1891.