Page:Field Notes of Junius Henderson, Notebook 1.djvu/54

 We found no fossils in upper Niobrara except the bands of crowded on flattened  Just as they occur between  and. The basal limestone contains large numbers of covered with, some of them (the ) quite large. At the next cut through the Niobrara the shales are badly involved in places vertical, and a small stream cuts through the entire series of lower Pierre, in which I found only three poorly preserved. In an exposure of Pierre nearly east of the SE point of the upper Niobrara there are many specimens of and, usually poorly preserved, though I found one or two of the latter in good state of preservation. I found one limestone lens about two or three feet in diameter from which had weathered many specimens of small