0016 (Stamp on top of page) 
Sept. 27. 
On ridge between Siena and Woodside 
Canyons west of Oswego Mine. Upper 
Pogonip faulted against E. Lower part 
section shows two zones of [[underlined]]Desmorthis[[/underlined]] 
about 20-30 feet apart. Above [[underlined]]Desmorthis[[underlined]] 
100 feet or more containing 
[[underlined]] Anomolorthis[[/underlined]], Bryozoans and their 
upper Pogonip species. 
In afternoon because of rain to 
south went to Devils Gate. Here 
on the north side Gate above thickest 
ledge of Is. (limestone??) containing corals occurs 
platy, dark limestone containing 
[[underlined]]Pugnars[[/underlinedj], 
[[underlined]]Leiorhyachis[[/underlined]], 
[[underlined]]Cyrtospirifer[[/underlined]], 
[[underlined]]Schizophoria[[/underlined]], 
[[underlined]]Phipidonella[[/underlined]], 
[[underlined]])Schuchertella[[/underlined]] 
G. Arthur Cooper - Field Notes and Maps, 1939 
Transcribed and Reviewed by Digital Volunteers 
Extracted Oct-09-2015 11:35:33 
Smithsonian Institution Transcription Center, Smithsonian Institution Archives 
