There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 32286 | E. Kowalski | Sample 13, Puerto Rican Lignites Oligocene/Late Oligocene - Cenozoic 4 - Puerto Rico | Graham and Jarzen (1969) |
| 32287 | E. Kowalski | Sample 12, Puerto Rican Lignites Oligocene/Late Oligocene - Cenozoic 4 - Puerto Rico | Graham and Jarzen (1969) |