Recent earth movement in the Great Lakes Region [microform]
1898
Cover title At head of title: Department of the Interior--U.S. Geological Survey, Charles D. Walcott, director "Extract from the eighteenth annual report of the survey, 1896-97. Part II--papers chiefly of a theoretic nature" Filmed from a copy of the original publication held by the Metropolitan Toronto Library, Science & Technology Department 43
