[[left margin, circled]] 9 [[/left margin]] 
[[left margin]] 363f= [[/left margin]] 6630 - Owen Is. Heavy bedded 
limestone or dolomite. 
[[image: pencil diagram of layers of soil]] 
[[image labels]] 
4' 
2' C 
3' B 
Partly covered 6' A 
A - Massive blue Is weathering brown with abundant Stromatopoa 
helter-skelter in rock 6' 
B - 3' of blue brown weathering dolomite with impressions of 
Cyrtosporifer 
C - about 2' same lithology but finely broken stroms and occasional 
Pachyphyllum. 
D - about 4' soft weathered gritty shale. 
Near center W line of SW 1/4 3-94N-20W., Cerro Gordo Co., ela. 
[[left margin]] 363g= [[/left margin]] 6631 - SW cor. 10-93N-20W on 
US65 0.9 mile S of Sheffield ela 0.9 mi. Sheffield shale - 2 sacks taken. 
G. Arthur Cooper - Field notes, 1 966 
Transcribed and Reviewed by Digital Volunteers 
Extracted Nov-02-2015 11:09:05 
Smithsonian Institution Transcription Center, Smithsonian Institution Archives 
