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22. Global geoscience transect 8, Quebec-Maine-Gulf of Maine transect, southeastern Canada, northeastern U.S.A
23. Geologic and structure map, with contours on top of the Pierre Shale, for the south half of the Powder River Basin, northeastern Wyoming
24. Geologic map of Precambrian rocks of parts of Iron Mountain and Escanaba 30ʹ x 60ʹ quadrangles, northeastern Wisconsin and adjacent Michigan
25. Geologic and structure map, with contours on top of the Pierre Shale, for the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming
26. Geologic map showing thickness of the upper Cretaceous Pierre Shale in the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming
27. Bedrock geologic map of the Mount Snow and Readsboro quadrangles, Bennington and Windham counties, Vermont
28. Bedrock geologic map of the Williamstown and North Adams quadrangles, Massachusetts and Vermont, and part of the Cheshire quadrangle, Massachusetts
29. Geologic map showing thickness of the upper Cretaceous Pierre Shale in the south half of the Powder River Basin, northeastern Wyoming and adjacent areas
30. Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Lake County, Ohio, to Juniata County, Pennsylvania
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