[[stamped]] 0846 [[/stamped]] 
August 27 
Section at Grand Summit about 1 .2 miles NE of Station. 
Slabs with interiors of Juresania come on top of limestone capping the 
Florena (= Morrill Is.) or steams shale. 
[[image: diagram of cross section profile of soil]] 
Juresania common 
thick Is. 
Sh & modular Is, level of fossils Is. 
sh 
Is 
Red sh Is. 
Sh 
Thick Is. 
Aug. 28 
Old localiy for silicified Derbyia is 3 1/2 mi N of center of Dexter about 
center east line 36 - 32S - 6E 
First cut from S is 3 mi north of Dexter. Second cut is 3.5 miles N and is 
one from which most silicified stuff came. Second cut is about 0.1 mi. S 
of NE 1/4 36-32S-6E 
G. Arthur Cooper - Field Notes, circa 1955 
Transcribed and Reviewed by Digital Volunteers 
Extracted Oct-12-2015 01:35:03 
Smithsonian Institution Transcription Center, Smithsonian Institution Archives 
