Geology And Mineral Resources of the Morris Quadrangle volume Illinois State Ge
Geology And Mineral Resources of the Morris Quadrangle volume Illinois State Ge
Harold Eugene Culver
The book Geology And Mineral Resources of the Morris Quadrangle volume Illinois State Ge was written by author Harold Eugene Culver Here you can read free online of Geology And Mineral Resources of the Morris Quadrangle volume Illinois State Ge book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Geology And Mineral Resources of the Morris Quadrangle volume Illinois State Ge a good or bad book?
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These include sands and coarse gravels which are restricted to a comparatively 68 GEOLOGY OF MORRIS QUADRANGLE narrow area on both sides of the Ilhnois. They He within a trench, mainly shallow, but locally apparently sharp and deep. In the next higher flat, the junction of the two surfaces is marked in places by a 5- to 15-foot slope. They are only found below an elevation of about 525 feet so that their limit is marked approximately by the 520- foot contour line. That portion below the 500-foo...t level is in most places covered by deposits of recent time. These beds are quite uniform in character and composition, and are readily assign- able to a common origin, ^^'hile not more than 20 feet is exposed at any point, drilling shows them to range in thickness from two or three feet to possibly as much as 60 feet, thus constituting an important group of beds. A typical exposure is that found in a gravel pit about a mile east of Devine Station in the NE. ^4 section 33 of Goose Lake Township (fig.
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