Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Aug 5-99 Saturday Camp IX.
Prof. Knights led the party from this camp to the Platte Canon about 2 1/2 miles distant.
He left camp over the Tertiary and soon passed the shale sandstone of the lower Terrace of which I took a picture to show later today. Passing over 2 or 3 small hills we follow a dry creek which rapidly terminates into a canon and open to view over a splendid view of the massive canons of the Platte about 1000 feet deep. Our position is above the Cambrian on ledges of Admonious [illegible] see sketch.
The granite in the bottom of the canon is a continuous mass and apparently a red granite. The following strata are thick series of thin beds of red, brick red, Cambrian strata. Over this are apparently conformable is a thick series of yellowish and red limestone and distinct with seams of chert. Towards the top regular beds of light bluish limestone appear in which Mr. [illegible] collected but found no fossil. Towards the base within yellowish beds