Matches in DBpedia 2014 for { ?s ?p The Iowan Erosion Surface (I.E.S.) is a geographic region located mostly in northeastern Iowa while extending into southeastern Minnesota. The IES is a former enigmatic curiosity because its relief and other elements about it seemed to fit the criteria used for the identification of glacial, fluvial and eolian landforms. The entire region is covered and built out of very thick pre-Illinoian till which is a very old till with an age of 790,000 years and older.. }
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- Iowan_erosion_surface comment "The Iowan Erosion Surface (I.E.S.) is a geographic region located mostly in northeastern Iowa while extending into southeastern Minnesota. The IES is a former enigmatic curiosity because its relief and other elements about it seemed to fit the criteria used for the identification of glacial, fluvial and eolian landforms. The entire region is covered and built out of very thick pre-Illinoian till which is a very old till with an age of 790,000 years and older.".