There are 2 matches
Collection | Authorizer | Collection name | Reference |
---|---|---|---|
99375 | M. Carrano | Gwynedd Tunnel (thin shales) (coll. Jepsen, Bock, Bock 1933–1934, 1940) Norian - Triassic 4 - Pennsylvania | Bryant (1934) |
107421 | R. Butler | Phoenixville Tunnel (coll. 1857) Norian - Triassic 4 - Pennsylvania | Cope (1866) |