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Showing 1 to 10 of 10 for “"Eastern Montana"”.
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Regional stratigraphy of the Newcastle Formation (Lower Cretaceous) in eastern Montana and western North Dakota
… of its depositional history and environments in eastern Montana. This work also illustrates the possible lowstand position of the Western Interior Seaway along with probable source areas providing sediments into the study area. </p><p> A total of 3446 geophysical wireline logs were used to …
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The Hell Creek Formation in North Dakota
… of the Hell Creek Formation in North Dakota and eastern Montana. Principal area of study included the Missouri Valley south of Bismarck, North Dakota; the Little Missouri Valley in Slope and Bowman Counties, southwestern North Dakota; the Yellowstone Valley near Glendive, Dawson County, Montana; …
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Discontinuities in the Icebox Formation (Ordovician), Williston Basin, North Dakota and Montana
… throughout the subsurface of North Dakota and eastern Montana. This work also illustrates possible sea-level changes during the deposition of the Icebox Formation along with probable source areas providing detrital sediments into the study area. </p><p>Gamma-ray wireline logs were used to …
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Depositional history, environments of deposition, and hydrocarbon potential of the Newcastle Formation (Lower Cretaceous) of eastern North Dakota
… This study examined the Newcastle within the eastern two thirds of North Dakota, with the goal of determining the various depositional environments, the depositional history, and the hydrocarbon potential of the unit. A total of 2191 geophysical well logs and 21 lithologic cores were examined. …
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Factors influencing the distribution of late-seral woody species along the upper Missouri River in central Montana
… suggest that along the Missouri River in central Montana late-seral woody species distribution is more limited than expected given their prominence in other areas, such as stream sides in eastern Montana. The objectives of this study were to determine whether late-seral woody species abundance is …
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Factors influencing the distribution of late-seral woody species along the upper Missouri River in central Montana
… suggest that along the Missouri River in central Montana late-seral woody species distribution is more limited than expected given their prominence in other areas, such as stream sides in eastern Montana. The objectives of this study were to determine whether late-seral woody species abundance is …
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Battle of the Bulls: A Coal Conflict in Cattle Country
… a community eager for economic development, one Montana ranching family struggles to cope with the onset of underground coal mining. For 40 years, the Charter family fought to prevent coal mining on their land in southern Musselshell County. In February, the federal government leased the …
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Battle of the Bulls: A Coal Conflict in Cattle Country
… a community eager for economic development, one Montana ranching family struggles to cope with the onset of underground coal mining. For 40 years, the Charter family fought to prevent coal mining on their land in southern Musselshell County. In February, the federal government leased the …