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Full-Text Articles in Physical Sciences and Mathematics
Pleistocene Evolution Of The Ohio And Wabash Valleys, William J. Wayne
Pleistocene Evolution Of The Ohio And Wabash Valleys, William J. Wayne
Department of Earth and Atmospheric Sciences: Faculty Publications
Studies of drift thickness and character currently in progress in Indiana indicate changes in drainage that have occurred in Indiana and some adjoining states since the beginning of the Pleistocene epoch. After late Tertiary (Lexington) peneplanation the master-drainage line, the Mahomet-Teays Valley system, became entrenched about 200 feet below its former level before it was ponded by Nebraskan ice and diverted into a new course. During the Parker cycle, which was interrupted by glaciation, the present physiographic features of southern Indiana and their now buried extensions to the north became recognizable. Static rejuvenation then was a major factor in erosion …
Departmental Functions Of The Conservation And Survey Division, G. E. Condra, E. C. Reed
Departmental Functions Of The Conservation And Survey Division, G. E. Condra, E. C. Reed
Conservation and Survey Division
No abstract provided.
Origin And Scope Of The Conservation Program, G. E. Condra
Origin And Scope Of The Conservation Program, G. E. Condra
Conservation and Survey Division
No abstract provided.