The American journal of science and arts . gibbous. Its striseare distinct, and resemble the ribs of the Pec-tens. Along with these species occurs a polypifera,apparently belonging to the genus Geology of Upper Illinois. 145 To the traveller who enters the Illinois valley at Ottawa, afterhaving been satiated with the boundless views of rolling prairie,no scenery can be more novel and enchanting, than that whichhe beholds between the month of Fox river and the town ofRockwell. The first striking object he encounters after leavingOttawa, is Buffalo-rock, an interesting plateau, whose t


The American journal of science and arts . gibbous. Its striseare distinct, and resemble the ribs of the Pec-tens. Along with these species occurs a polypifera,apparently belonging to the genus Geology of Upper Illinois. 145 To the traveller who enters the Illinois valley at Ottawa, afterhaving been satiated with the boundless views of rolling prairie,no scenery can be more novel and enchanting, than that whichhe beholds between the month of Fox river and the town ofRockwell. The first striking object he encounters after leavingOttawa, is Buffalo-rock, an interesting plateau, whose top corres-ponds in level with the high prairie, and whose sides are equallyprecipitous with the main bluffs of the valley. The area of Buf-falo-rock is about one square mile. The river sweeps directly pastits southeastern base; while the canal, as will appear from themap, is carried along between it and the north bluff of the a distance of about a mile from this insular elevation of prai-rie, and directly by the road-side, is situated one of those beauti-ful mineral springs (of whose chemical constitution we shallpresently speak,) for which this part of Illinois is spring


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Keywords: ., bookcentury1800, bookidamericanjournalo341838newh, bookyear1820