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Show Geologists Study Cedar Hills S. L. Schtff and M. T. Sturgeon, of the Ohio State University, left Monday for their homes- In Mlchl-, Mlchl-, gan and Ohio after spending1 the I past four months in making a geo-I geo-I logic study of the Cedar Hills. I The area covered by their survey ! extends west of Mt. Pleasant to Mt. Nebo, and north to Clinton. I They have distinguished eight rock I formations, collecting fossils and i reck specimens from them, and have made a map showing the ex-'itent ex-'itent of each1 formation. The rocks ' represent two of the three major ' ' classes of rocks sedimentary rocks laid down by streams, or in lakes or the sea, and igneous rocks which are the products of volcanoes. Some ' ' cf the sedimentary rocks of the ' j Cedar Hills are of the same geologic ! ace as the coal-bearing rocks of Carbon County, but are not them-' them-' selves coal-bearing, j I In addition to working on the geology, Sturgeon made notes on i plant and animal life in the hills, I ai d found that some sixty species of birds are present. |