There are 2 matches

Collection Authorizer Collection name Reference
117015M. Clapham Clinker Hill, Blackwater coal mine (discovery coll.) (coll. Ritchie 1969) Changhsingian - Permian 4 - Australia Campbell and Duy Phuoc (1983)
117016M. Clapham Clinker Hill, Blackwater coal mine (Leu coll.) (coll. Michael Leu 1985) Changhsingian - Permian 4 - Australia Leu (1989)

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