There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 149 | J. Alroy | Unnamed stream on Bruett Farm (Iola Fm., Madison Co., IA) Missourian - Carboniferous 5 - Iowa | Malinky and Heckel (1998) |
| 3296 | A. Miller | Keokuk and Mahaska Cos. (= Pella Fm., Keokuk and Mahaska Cos., IO) Chesterian - Carboniferous 2-3 - Iowa | Witzke et al. (1990) |