Spatial Coverage: Powder River Basin (Wyo. and Mont.) - Yale University Library GeoBlacklight Search Results

51. Thickness of Triassic rocks, Powder River Basin, Wyoming and Montana [microform]

1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.). Triassic.

52. Thickness of upper Cretaceous Greenhorn Formation, Powder River Basin, Wyoming and Montana [microform]

1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.). Cretaceous.

53. Thickness of upper Cretaceous Lewis Shale, Powder River Basin, Wyoming and Montana [microform]

1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.). Cretaceous.

54. Thickness of upper Cretaceous Mesaverde Formation, Powder River Basin, Wyoming and Montana [microform]

1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.) and Mesaverde Group. Cretaceous.

55. Thickness of upper Cretaceous rocks from the base of the Ardmore bentonite to the base of the Clay Spur bentonite (top of the lower Cretaceous rocks), Powder River Basin, Wyoming and Montana [microform]

1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.). Cretaceous.

56. Thickness of upper Cretaceous rocks from the base of the Fox Hills sandstone to the top of the lower Cretaceous rocks, Powder River Basin, Wyoming and Montana [microform]

1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.). Cretaceous.

57. Thickness of upper Cretaceous rocks from the base of the Niobrara Formation to the base of the clay spur bentonite (top of lower Cretaceous rocks), Powder River Basin, Wyoming and Montana [microform]

1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.). Cretaceous.

58. Thickness of upper Cretaceous rocks from the base of the Niobrara Formation to the top of the Frontier Formation, including the Carlile shale, Greenhorn Formation, and Sage Breaks shale, Powder River Basin, Wyoming and Montana [microform]

1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.). Cretaceous.

59. Thickness of upper Cretaceous rocks from the top of the Niobrara Formation to the base of the Fox Hills Sandstone, Powder River Basin, Wyoming and Montana [microform]

1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.). Cretaceous.

60. Thickness, percent sand, and configuration of shallow hydrogeologic units in the Powder River Basin, Montana and Wyoming [cartographic material]

1981. 2015-07-01T20:16:57Z. 2015-07-14T22:10:28Z. Lewis, Barney D. U.S. Geological Survey. English. cartographic image. Public. Powder River Basin (Wyo. and Mont.).

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51. Thickness of Triassic rocks, Powder River Basin, Wyoming and Montana [microform]

52. Thickness of upper Cretaceous Greenhorn Formation, Powder River Basin, Wyoming and Montana [microform]

53. Thickness of upper Cretaceous Lewis Shale, Powder River Basin, Wyoming and Montana [microform]

54. Thickness of upper Cretaceous Mesaverde Formation, Powder River Basin, Wyoming and Montana [microform]

55. Thickness of upper Cretaceous rocks from the base of the Ardmore bentonite to the base of the Clay Spur bentonite (top of the lower Cretaceous rocks), Powder River Basin, Wyoming and Montana [microform]

56. Thickness of upper Cretaceous rocks from the base of the Fox Hills sandstone to the top of the lower Cretaceous rocks, Powder River Basin, Wyoming and Montana [microform]

57. Thickness of upper Cretaceous rocks from the base of the Niobrara Formation to the base of the clay spur bentonite (top of lower Cretaceous rocks), Powder River Basin, Wyoming and Montana [microform]

58. Thickness of upper Cretaceous rocks from the base of the Niobrara Formation to the top of the Frontier Formation, including the Carlile shale, Greenhorn Formation, and Sage Breaks shale, Powder River Basin, Wyoming and Montana [microform]

59. Thickness of upper Cretaceous rocks from the top of the Niobrara Formation to the base of the Fox Hills Sandstone, Powder River Basin, Wyoming and Montana [microform]

60. Thickness, percent sand, and configuration of shallow hydrogeologic units in the Powder River Basin, Montana and Wyoming [cartographic material]

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