[[left margin, circled]] 6 [[/circled]] 
[[left margin]] 347c- [/left margin]] 6614- about 3' above base of Mason 
City 
Williams Qy., NW SW 28-96N-18W,SE of Nora Springs 
[[left margin]] 347d= [[/left margin]] 6615- Hy D, Bridge Winnebago River 
SW edge of Rockford, SW 1/4 NW 1/4 15-95N-18W, Floyd 
Co., Iowa - ulsterensis zone of Rock Grove member. Top of Nora 
Prismatophyllum from Mason City 
[[left margin]] 347e= [[/left margin]] 6616- SWSW28-96N-18W 
E. Bank Shellrock River Upper part Mason City. Strom zone at bottom. - 
2 Stroms collected 
[[left margin]] 347f [[/left margin]] 6617- Uppermost 2' of Mason City, in 
stream NE 1/4 SW 1/4 28'-96N-18W, just N of Williams Quarry. 
[[left margin]] 347g= [[/left margin]] 6618- Under bridge on old Mason 
City Rd in Nora Springs - about 50' up in Mason City, Idiostroma-Pachy 
phyllum zone. SW 1/4 SE 1/4 7-96N-18W. 
[[left margin]] 347h [[/left margin]] 6619- Top of Mason City, at Dam in 
Nora Springs 
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 
