Geology and Hydrocarbon Potential of the Eastern OverthrustRobert C. Milici, Wallace de Witt · First published 2013Open the Tome
Principal oil and gas plays in the Appalachian basin (Province 131)Wallace De Witt · First published 1990Open the Tome
Physical stratigraphy of the Genesee formation (Devonian) in western and central New YorkWallace De Witt · First published 1978Open the Tome
Preliminary stratigraphic cross section showing radioactive zones in the Devonian black shales in southeastern Ohio and west-central West VirginiaLaure G. Wallace, John B. Roen, De Witt, Wallace Jr · First published 1978Open the Tome
Age of the Bedford Shale, Berea Sandstone, and Sunbury Shale in the Appalachian and Michigan basins, Pennsylvania, Ohio, and MichiganWallace De Witt · First published 1970Open the Tome
Bedrock geology of the Evitts Creek and Pattersons Creek quadrangles, Maryland, Pennsylvania, and West VirginiaWallace De Witt · First published 1964Open the Tome