Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
that so dont so far then The balance of the
consists of quartzites and bits of carbonates.
At the base of the so called Ordovician Mr.
Lundback found a layer full of Fenestella
and a species which is proof positive that this
layer is not Ordovician but probably a continuation
of the Mediam limestone Since these strata offer
to conformably under the Carbonic the question is
if what age are those iron hills? The only fossils
seen are broad Fucoids.
Aug 99 Sunday Camp IX.
After breakfast the Crowns took us to the
Little Camp of the North Platte about 6 miles by
road from this camp. Here a hill 400 feet
high is thrown up with the strike east and
west. The river has cut a narrow gorge 400 feet
dep and about 200 feet away to the North.
exposing about 200 feet of white to fallrock sand.
They are apparently older than the Cret.