There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 122515 | M. Clapham | Piesberg quarry, "Flöz Dreibänk" (Sowiak coll) (coll. Michael Sowiak) Westphalian D - Carboniferous 4 - Germany | Brauckmann and Herd (2002) |
| 157050 | M. Clapham | Bevergern 1 borehole, core b, 2628.5-2635.4 m depth Westphalian C - Carboniferous 4 - Germany | Schmidt (1962) |