Morris M. Leighton Papers, 1928-40

Description: Papers of Morris Morgan Leighton (1887-1971), chief of the Illinois Geological Survey (1923-54) containing correspondence, studies, and reports, related to the National Research Council (NRC) committee on sedimentation, and minutes of and reports to the NRC Executive Bard, concerning glacial sedimentation in North America made by ice, icebergs, and wind and water associated with or influenced by glacial conditions, state geological surveys, submarine configuration and oceanic circulation, measurement of geological time, Batholith problems, economic geology, tectonics, petroleum geology, clay minerals, gravity measurements, micropaleontology, drilling and sedimentation.