Holland Quarry Shale | |
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Stratigraphic range: Devonian | |
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Eurypterids of the Devonian Holland Quarry Shale | |
Type | Formation |
Underlies | Detroit River Group and Sylvania Sandstone |
Location | |
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The Holland Quarry Shale is a geologic formation in Ohio. It preserves fossils dating back to the Devonian period.