Geology Writings, 1884-1901, undated

“Further Examination of the Lateral Erosion at the Mouth of Niagara Gorge,” ca. 1900, 8 p. (plus 1 p. re: photographs) “Geological History of the Dead Sea,” Jan. 7, 1901, 11 p. “Geological History of the Great Lakes...” undated, 9 p. “Geology in a Liberal Course of Study,” undated, 36 p. “Glacial Boundary in Southeastern Dakota,” ca. 1885, 14 p. “The Glacial Boundary in Ohio, Kentucky, and Indiana,” March 1,1884, 1 p.