- Merewether, E. A.; Cobban, W. A.; Matson, R. M.; Magathan, W. J., 1977, Stratigraphic diagrams with electric logs of Upper Cretaceous rocks, Powder River basin, Johnson, Campbell and Crook Counties, Wyoming Section A-A‘: Oil and Gas Investigation Chart 73, 14 diagrams ;78 x 6 cm. or smaller, on sheet 97 x 146 cm.,
- Merewether, E. A.; Cobban, W. A.; Matson, R. M.; Magathan, W. J., 1977, Stratigraphic diagrams with electric logs of Upper Cretaceous rocks, Powder River basin, Natrona, Campbell, and Weston Counties, Wyoming, Section B-B‘: Oil and Gas Investigation Chart 74, 14 diagrams ;78 x 6 cm. or smaller, on sheet 97 x 146 cm.,
- Merewether, E. A.; Cobban, W. A.; Matson, R. M.; Magathan, W. J., 1977, Stratigraphic diagrams with electric logs of Upper Cretaceous rocks, Powder River basin, Natrona, Converse, and Niobrara Counties, Wyoming, section C-C‘: Oil and Gas Investigation Chart 75, 14 diagrams ;78 x 6 cm. or smaller, on sheet 97 x 146 cm.,
- Merewether, E. A.; Cobban, W. A.; Matson, R. M.; Magathan, W. J., 1977, Stratigraphic diagrams with electric logs of Upper Cretaceous rocks, Powder River basin, Sheridan, Johnson, Campbell, and Converse Counties, Wyoming, section D-D‘: Oil and Gas Investigation Chart 76, 14 diagrams ;78 x 6 cm. or smaller, on sheet 97 x 146 cm.,
- Rice, Dudley D., 1977, Stratigraphic sections from well logs and outcrops of Cretaceous and Paleocene rocks, northern Great Plains, North Dakota and South Dakota: Oil and Gas Investigation Chart 72, 1 map. Three sheets: sheet 1, 34 by 50 inches; sheet 2, 40 by 48 inches; sheet 3 34 by 55 inches,
- Wallace, Laure G.; Roen, John B.; De Witt, Wallace, Jr., 1977, Preliminary stratigraphic cross section showing radioactive zone in the Devonian Black Shales in the western part of the Appalachian Basin: Oil and Gas Investigation Chart 80, 1 cross section ;on 2 sheets 96 x 137 cm.,
