There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 224136 | M. Hopkins | Boulder 15 (Levis) Trempealeauan - Cambrian 5 - Canada | Rasetti (1944) |
| 224138 | M. Hopkins | Boulder 36 (Levis) Trempealeauan - Cambrian 5 - Canada | Rasetti (1944) |
| 224139 | M. Hopkins | Boulder 37 (Levis Conglomerate) Trempealeauan - Cambrian 5 - Canada | Rasetti (1944) |
| 224140 | M. Hopkins | Boulder 38 (Levis Conglomerate) Trempealeauan - Cambrian 5 - Canada | Rasetti (1944) |