[[left margin, circled]] 7 [[/left margin]] 
May 18 
[[left margin]] 347i [[/left margin]] 6620 - Cyrtospirifer - Lincoln Mill 
Site on north bank Winnebago, SWNE15-97N-21W; Cerro Gordo Co. 
Nora (basal). Section on River bank, knotty limestone with occasional 
corals. N of Mason City. 
[[left margin]] 347j= [[/left margin]] 6621 - upper bed of 1st Actinostroma 
zone of Nora, on W bank ShellRock River, SE 1/4 NW 1/4 1-96N-19W, 
[[left margin]] 347k= [[/left margin]] 6622 - Amphipora zone 
NW 1/4 SE 1/4 27-97N-19W, west side Shell Rock R. Rock Grove Mem. 
[[left margin]] 347-1= [[/left margin]] 6623 - along rd NW NE 35-99N-20W, 
Worth County 
1st Actinostroma zone of Nora 2 miles E of US 65 east of Kensett 
[[left margin]] 347m= [[/left margin]] 6624 - Shell Rock River, 0.4 mile N 
of bridge on US18, NW 1/4 SE 1/4 7-96N-17W, Floyd Co., Iowa. 
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 
