There are 2 matches

Collection Authorizer Collection name Reference
99119B. Kröger Iowa Mine about 2 miles north of Smithville Floian - Ordovician 2 - Arkansas Ulrich et al. (1942)
100257P. Wagner On road to Imboden 1.5 miles north of Smithville Cassinian - Ordovician 1-2 - Arkansas Pojeta and Runnegar (1976)

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