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Springfield bridge. Three miles E from Eugene.
E; side of river beginning just south of new abutment  strata dip eastward between 5° and 8° the section being a little east of S and W. of N. along the river (Big scalaria found near this spot) for about a mile; measured thickness of the rocks from the abutment of the new bridge (1890) to the point where they dip below the river and form a bar at low water about 160 feet. This is an excellent section of the Miocene which is here unconformably over laid by 5 - 10 feet river alluvial, the largest gravel just over the edges of the Miocene rocks. Top of hills capped by basalt according to Prof. Condon. The surface under laid by Miocene is gently roll'g and has been
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