There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 64909 | P. Wagner | Hfg-6. Abandoned clay strip mine, Logan Clay Products Co. (= On northwest corner of road junction. 30 cm. Shale zone immediately above the Lower Mercer.) Desmoinesian - Carboniferous 4-5 - Ohio | Sturgeon (1964) |
| 71993 | W. Kiessling | Tony Fasekas farm, 2.4 km south of New Concord (= Rice farm, 1.5 miles south of New Concord; Was: New Concord, Ames Unit, Muskingum) Virgilian - Carboniferous 5 - Ohio | Mark (1912) |
| 79350 | P. Wagner | CAr-2. Spoils bank at James Brothers strip mine on the south side of Huff Run, a Missourian - Carboniferous 5 - Ohio | Hoare and Sturgeon (1978) |