Aug 30, 
Green Canyon 
Go to 19th North west from main road 89 on road along S side golf 
course. 
4 Swan Peak in Green Canyon B- 1 .20, Lunch 1 .50, S-4.00. R -1 3.46. 
Clay Basin Rd, Line between 25-26, T9N, R1W, for high Swan Peak, 
last locality on Aug. 30. 
In Green Canyon saw section from UE through Swan Peak. I collected 
home - Garden City about 300' strating. above The E. fossils few. Lower 
Swan Peak has [[limey?]] beds in which occur Anomalorthis and 
Syntrophopsis. Fossils rare above middle Swan Peak. 
Afternoon went 1/2 mi W of Sardine Summit for mid Swan Peak. 
Graptolites, bracho and trilobits in shaly beds. 
1 1/2 miles SE of Mantua on road to Clay Basin & Swan Peak locality 
excellent for Trilobites - Check Mantua [[drawing of open box]] 
G. Arthur Cooper - Field notes, 1964 
Transcribed and Reviewed by Digital Volunteers 
Extracted Oct-12-2015 09:35:02 
Smithsonian Institution Transcription Center, Smithsonian Institution Archives 
