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1. Nitrogen biogeochemistry and ancient oceanic anoxia

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Open Access

2. REGIONAL DEPOSITIONAL TRENDS IN THE DEVONIAN GENESEO/BURKET BLACK SHALE BASED ON GAMMA RAY-DENSITY TRENDS

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Open Access

3. Sequence Stratigraphy and Depostional Environments of the Burkett Mbr., Harrell Fm. and Associated Strata in the Northern Appalachian Basin

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Open Access