Page:Field Notes of Junius Henderson, Notebook 2.pdf/53

 and there are some. I saw no or other fossils  except those mentioned. The formation is practically the same as at, gray sandstone containing numerous ironstone concretions, some several feet in diameter, the formation having a tendency toward forming an escarpment on the west side of the ridge and a gentle slope on the east side.

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Started for mouth of at 7:55 (25 minutes late on account of slowness of  livery man) with team and driver from Mt. Ave. stable. Took the road running north from, following the Niobrara ridge most of the way. Found Benton formation mostly covered in a valley west of Niobrara, but outcropping in places as a calcareous sandstone just below Niobrara limestone, indeed forming a trans-